Answer: 32.493 maybe, dont quite understand the question
Step-by-step explanation:
Given A(2, 4), what are the coordinates of A′ for the dilation with scale factor 1.5 and center at the origin?
The coordinates of A′ for the dilation with a scale factor of 1.5 and center at the origin are (3, 6).
To find the coordinates of A′, we need to apply the dilation formula:
A′ = (1.5)(A - O) + O
Where O is the center of dilation, which in this case is the origin (0, 0).
Substituting the values we have:
A′ = (1.5)(2, 4 - 0, 0) + (0, 0)
A′ = (3, 6) + (0, 0)
A′ = (3, 6)
Therefore, the coordinates of A′ for the dilation with scale factor 1.5 and center at the origin are (3, 6).
To find the coordinates of A' for the dilation with a scale factor of 1.5 and center at the origin, follow these steps:
1. Identify the given point A(2, 4) and the scale factor 1.5.
2. The center of dilation is at the origin (0, 0).
3. Multiply the x-coordinate of point A by the scale factor: 2 * 1.5 = 3.
4. Multiply the y-coordinate of point A by the scale factor: 4 * 1.5 = 6.
5. The coordinates of A' after dilation are (3, 6).
So, the coordinates of A′ for the dilation with a scale factor of 1.5 and center at the origin are (3, 6).
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Find the value of h for the parallelogram to the right. Find the value of h for the parallelogram to the right.
H=
The length of h in the parallelogram is 17.0 units.
How to find the side of a parallelogram?A parallelogram is a quadrilateral that has opposite sides equal to each
other and opposite sides parallel to each other.
Therefore, let's find the value of h in the parallelogram as follows:
Using Pythagoras's theorem,
c² = a² + b²
where
a and b are the other legsc is the hypotenuse sideTherefore,
18² - 6² = h²
h² = 324 - 36
h = √288
h = 16.97
Therefore,
h = 17.0 units
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I need 8 and 9 Please help
The measures of angles 8 and 9 are given as follows:
m < 8 = m < 9 = 28.5º.
How to obtain the angle measures?To obtain the angle measures, first we must consider that the sum of the measures of the internal angles of a triangle is of 180º.
Considering this, looking at the top triangle, we find the measure of angle 7 as follows:
m < 7 + 58 + 65 = 180
m < 7 = 180 - (58 + 65)
m < 7 = 57.
By the exterior angle theorem, an angle is supplementary with it's exterior angle, hence the measure of angle 6 is obtained as follows:
m < 6 = 180 - 57
m < 6 = 123º.
Triangle XWZ is an isosceles triangle, hence the measures of angles 8 and 9 are obtained as follows:
m < 8 + m < 9 + 123 = 180
m < 8 = m < 9 = (180 - 123)/2
m < 8 = m < 9 = 28.5º.
(isosceles triangle, these two angles have the same measure).
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10. At an exotic food store, a sign states that three pounds of
octopus costs $24. The owner tells you that the pricing of octopus
is a linear function based upon the weight in pounds.
a) Write a linear function to model the relationship between the
cost, c, of octopus and the weight, w, in pounds.
B) Explain the meaning of the slope of your equation as it relates to this problem.
The linear equation is solved and slope is m = (24 - b) / 3 = 8
Given data ,
a)
To write a linear function that models the relationship between the cost, c, of octopus and the weight, w, in pounds, we need to determine the equation of a line in slope-intercept form, y = mx + b, where y represents the cost of octopus (c) and x represents the weight in pounds (w).
We are given that three pounds of octopus costs $24. This gives us a point on the line, which is (3, 24). Using this point, we can find the slope (m) of the line.
Let's use the slope formula:
m = (y2 - y1) / (x2 - x1)
Taking (3, 24) as our first point, and choosing another arbitrary point on the line, let's say (0, b), we can substitute the coordinates into the slope formula:
m = (24 - b) / (3 - 0)
Since the slope is constant for the linear function, we can set this expression equal to m:
m = (24 - b) / 3
Now, we have the slope (m) in terms of b. To find the value of b, we can substitute the coordinates of the known point (3, 24) into the slope-intercept form:
24 = m * 3 + b
Substituting the expression for m:
24 = [(24 - b) / 3] * 3 + b
Simplifying:
24 = 24 - b + b
24 = 24
Since the equation is true for any value of b, we can choose any value for b. Let's choose b = 0 for simplicity.
Plugging in the values of m = (24 - b) / 3 and b = 0, we have:
m = (24 - 0) / 3
m = 24 / 3
m = 8
Therefore, the slope of the linear function is 8
b)
The meaning of the slope in this context is that for each additional pound of octopus purchased, the cost increases by $8. This means that the cost of octopus is increasing at a constant rate of $8 per pound. The positive slope indicates that as the weight of the octopus increases, the cost also increases.
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Zane is in charge of equipment at Putter Around Fun Center. He opens a huge new box of golf
balls that just arrived. The golf balls are assorted colors that are mixed throughout the box.
Zane has no idea how many of each color are in the box, so he randomly picks 30 balls out of
the box. He picks 8 yellow, 3 red, 5 orange, 6 green, and 8 pink golf balls.
Based on the data, what is the probability of choosing a red golf ball?
Write your answer as a fraction.
The probability of choosing a red golf ball as a fraction would be = 1/10.
How to calculate the probability of choosing a red ball at random?To calculate the probability of choosing a red ball at random, the formula that should be used is given below.
That is;
Probability = possible outcome/sample space
Total number of yellow balls= 8
Total number of red ball= 3
Total number of orange balls = 5
Total number of green balls = 6
Total number of pink balls = 8
possible outcome = 3 balls(red)
Sample space = 8+3+5+6+8= 30 balls
Then probability= 3/30 = 1/10
Therefore, when a ball is selected at random the probability that Zane would pick a red ball out of all the golf coloured balls would be= 1/10.
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PLEASE PLEASE HELP WILL MARK BRAINLIST!!!!!!!!!!!!
Answer:
[tex]y \leqslant x[/tex]
The sum of a number, 1/6 of that number, 2 1/2 that number, and 7 is 12 1/2. Find the number
The number in the mathematical statemnent is 1 1/2
Calculating the value of the numberFrom the question, we have the following parameters that can be used in our computation:
The sum of a number, 1/6 of that number, 2 1/2 that number, and 7 is 12 1/2
Represent the number with x
So, we have the following equation
x + x/6 + 5x/2 + 7 = 12 1/2
So, we have
x + x/6 + 5x/2 = 5 1/2
Multiply through by 6
This gives
6x + x + 15x = 33
Evaluate the like terms
22x = 33
Divide through by 22
So, we have
x = 33/22
This gives
x = 1 1/2
Hence, the number is 1 1/2
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The value of the number is 1.5
How to determine the valueFirst, we have that;
Let the number be x
From the information given, we have that;
The sum of a number, 1/6 of that number, 2 1/2 that number, and 7 is 12 1/2. Find the number
This is represented as;
x + 1/6x + 5/2x + 7 = 25/2
find the LCM, we get;
42x + 7x + 105x + 294 /42 = 25/2
collect the like terms, we have;
154x + 294/42 = 25/2
cross multiply the values, we have;
(154x + 294) = 25 × 21
154x = 231
Divide both sides by the coefficient
x = 1. 5
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Plan the media elements that you will use in your presentation. Think about what types of media
elements, such as charts or diagrams, could be used to support your ideas.
Provide at least three
media examples in the table below.
Media Type
Media Use
Important Idea to Communicate
PLS HELP Triangle LMN has vertices at L(−1, 5), M(−1, 0), N(−2, 5). Determine the vertices of image L′M′N′ if the preimage is rotated 180° counterclockwise about the origin.
L′(5, 1), M′(0, 1), N′(5, 2)
L′(−1, −5), M′(−1, 0), N′(−2, −5)
L′(−5, −1), M′(0, −1), N′(−5, −2).
L′(1, −5), M′(1, 0), N′(2, −5)
The coordinates of the triangle after transformation are:
L′(1, −5), M′(1, 0), N′(2, −5)
What are the coordinates after transformation?There are different methods of transformation such as:
Translation
Rotation
Reflection
Dilation
Now, a rotation of 180 degrees counterclockwise about the origin is equivalent to the coordinate transformation given as (x, y) → ( −x, −y) . Meanwhile, a rotation of 270 degrees counterclockwise about the origin is equivalent to the coordinate transformation (x, y) → ( y, -x) .
Applying the rule for rotation of 180 degrees counterclockwise to the coordinates L(−1, 5), M(−1, 0), N(−2, 5) gives us:
L'(1, -5), M'(1, 0), N'(2, -5)
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Find the area of the circle. Use pie = 3.14.
Write a linear function representing Xavier’s gross income (earnings before taxes) in terms of the number of hours (x) he works.
3
Answer:
(If you like this answer i would appreciate if u give brainliest but otherwise, i hope this helped ^^)
Step-by-step explanation:
To write a linear function representing Xavier's gross income in terms of the number of hours he works, we need the slope and the y-intercept.
Let's assume that Xavier earns a constant hourly rate of $3 per hour.
The slope of the linear function represents the rate at which Xavier's income increases per hour worked. In this case, the slope is $3, as his earnings increase by $3 for every hour worked.
The y-intercept represents Xavier's income when he hasn't worked any hours. Since he earns $0 when he hasn't worked any hours, the y-intercept is 0.
Therefore, the linear function representing Xavier's gross income (G) in terms of the number of hours (x) he works can be written as:
G = 3x
This equation shows that Xavier's gross income is equal to $3 multiplied by the number of hours he works.
For ∆RST, RS=3ft, ST=6ft, and m∠R=29°. What are m∠T and m∠S
To find the measures of angles T and S, we can use the fact that the sum of the angles in a triangle is always 180 degrees.
m∠R + m∠S + m∠T = 180°
We know that m∠R = 29°, and we can use the Law of Cosines to find the measure of angle S:
cos(m∠S) = (6^2 + 3^2 - x^2) / (2 * 6 * 3) = 0.9167
m∠S = cos^-1(0.9167) = 23.6°
Now we can use the fact that the sum of the angles in a triangle is 180 degrees to find the measure of angle T:
m∠T = 180° - m∠R - m∠S = 180° - 29° - 23.6° = 127.4°
Therefore, m∠T is 127.4° and m∠S is 23.6°.
mm m mm Answer:
Step-by-step explanation:
mnnmnmn
Suppose you invest $150 a month for 4 years into an account earning 8% compounded monthly.
After 4 years, you leave the money, without making additional deposits, in the account for another 23 years. How much will you have in the end?
Answer:
You will approximately have about 48,297.74
Step-by-step explanation:
Given that a function, h, has a domain of -3 ≤ x ≤ 11 and a range of 1 ≤ h(x) ≤ 25 and that h(8) = 19 and h(-2) = 2, select the statement that could be true for h. A. h(8) = 21 B. h(-3) = -1 C. h(2) = 16 D. h(13) = 18
Answer:
The given function h has a domain of -3 ≤ x ≤ 11 and a range of 1 ≤ h(x) ≤ 25, and we also know that h(8) = 19 and h(-2) = 2.
Since we know the range of h(x) is 1 ≤ h(x) ≤ 25, statement B cannot be true because it suggests a value of h(x) outside of this range.
Statement A suggests that h(8) = 21, which is outside the given range for h(x). Therefore, statement A cannot be true.
Statement C suggests that h(2) = 16, but we do not have any information about the value of h(x) at x = 2. Therefore, statement C may or may not be true.
Statement D suggests that h(13) = 18, but 13 is outside the domain of h(x). Therefore, statement D cannot be true.
Thus, the only statement that could be true for h is B. However, we cannot be certain that statement B is true without more information about the function h.
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Step-by-step explanation:
can someone help me with this??
Find out Monomials and Binomials from the following algebraic expressions:
**+9x²+7x-35, ln x, - 3x3 + 2x, x, x³, √x, 18x14x + 14,7x-1, 1
Sin (x), x³-5, e*, (x + 4)², - 3n+2y + 2x + 1, √x +y, 3-x.
Monomials are algebraic expressions that consist of a single term, whereas binomials consist of two terms.A binomial is an algebraic expression that consists of two terms.
Monomials are algebraic expressions that consist of a single term, whereas binomials consist of two terms.A binomial is an algebraic expression that consists of two terms. These terms can be added or subtracted, and they may contain variables, constants, and exponents. Binomials are commonly used in algebra to represent equations, formulas, and functions.
Monomials:
- 9x²
- 7x
- ln x
- -3x³
- 2x
- x
- x³
- √x
- 18x14x
- √x
- 7x-1
- 1
- Sin (x)
- x³
- e*
- √x +y
- 3-x
Binomials:
- 18x14x + 14
- (x + 4)²
- - 3n+2y + 2x + 1
- x³-5
Here are the monomials and binomials from the given algebraic expressions:
Monomials:
- ln x
- x
- x³
- √x
- 1
- Sin(x)
- e*
- 3-x
Binomials:
- +9x²+7x-35
- -3x³ + 2x
- 18x¹⁴x + 14
- 7x-1
- x³-5
- (x + 4)²
- -3n+2y + 2x + 1
- √x + y
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f(x)=2x; g(x)=k·f(x) find K
As per the given situation, when g(x) = k · f(x), and f(x) = 2x, the value of k is 2.5.
In mathematics, a function is a relation between a set of inputs and a set of possible outputs, where each input is related to exactly one output. Functions are often represented using function notation.
To find k, we need to know the value of g(x) for a specific value of x. Let's say we want to find k when x = 3. Then:
g(3) = k · f(3)
g(3) = k · 2(3)
g(3) = k · 6
If we know the value of g(3), we can solve for k:
g(3) = 15
15 = k · 6
k = 15/6
k = 2.5
Therefore, when g(x) = k · f(x), and f(x) = 2x, the value of k is 2.5.
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You are 22 years old and are starting a savings plan and will deposit $200 every 2 months until you retire. The account will give you 7% interest. How much do you expect your account to be worth when you retire at 67 years old?
The expected of your account to be worth when you retire at 67 years old is $1,118,473.61.
To calculate the future value of your savings account, we can use the formula for compound interest:
FV = PV * (1 + r/n)^(n*t)
Where:
FV = Future Value of the account
PV = Present Value of the account
r = Annual interest rate (as a decimal)
n = Number of times the interest is compounded per year
t = Number of years
In this case, the present value (PV) is zero because you haven't started saving yet. The interest rate (r) is 7% per year, or 0.07 as a decimal. You will be depositing $200 every 2 months, which means 6 times a year (n=6). You have 45 years until you retire (t=45), and want to find the future value (FV) of the account.
We can start by calculating the total number of deposits you will make:
45 years * 12 months/year / 2 months/deposit = 270 deposits
Each deposit will be for $200, so the total amount you will deposit is:
270 deposits * $200/deposit = $54,000
Now we can use the formula for compound interest to calculate the future value of the account:
FV = $0 * (1 + 0.07/6)^(645) + $54,000 * (1 + 0.07/6)^(645)
FV = $0 + $1,118,473.61
So, you can expect your savings account to be worth approximately $1,118,473.61 when you retire at 67 years old, assuming you make regular deposits of $200 every 2 months and earn an annual interest rate of 7%.
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What is the surface area of a cone that has a height of 10 centimeters
and has a diameter of 5 centimeters?
Answer:
266.9cm
Step-by-step explanation:
there's no explanation.
Answer:
52.334
Step-by-step explanation:
3.14[phi] x 5 cm =15.70 x 10 [height] = 157.0 x 1/3 = 52.334
cone = phi x d x height x1/3
this is the volume btw
help pls, will give brainliest
Find the perimeter of the figure. Simplify your answer.
The perimeter of the figure is 9k² + 13k - 8
Finding the perimeter of the figureFrom the question, we have the following parameters that can be used in our computation:
The figure
The perimeter of the figure is the sum of the side lengths
Using the above as a guide, we have the following:
Perimeter = -k + k² - 2 + 2k² + 5k + 2 + k² - 2 - k + 5k² + 10k - 6
When the expression is evaluated, we have
Perimeter = 9k² + 13k - 8
Hence, the perimeter of the figure is 9k² + 13k - 8
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Heys guys...please help me out on this. Also please provide the working too.
Answer:
f(x) = x^2
f'(x) = 2x, so f'(1.8) = 2(1.8) = 3.6
B is the correct answer.
The value of the function , f'(1.8) = 3.6. option B
What is a function?A function can simply be defined as an expression, a law or a rule that is used to represent the relationship between two variables in an equation.
These variables are listed as;
Dependent variableThe independent variablesFrom the information given, we have that;
The function , f(x) is represented as x²
This is written as;
f(x) = x²
Find the derivative of the function, we get;
f'(x) = 2x
Now, substitute the value of x as 1.8 in the function, we have that;
f'(1.8) = 2(1.8)
expand the bracket, we have that;
f'(1.8) = 3.6
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What is the equation of the straight line with gradient 5 that passes through
(3,9)?
Give your answer in the form y=mx+c, where m and c are integers or
fractions in their simplest forms.
Answer:
y = 5x - 6
Step-by-step explanation:
the equation of a line in gradient- intercept form is
y = mx + c ( m is the gradient and c the y- intercept )
here m = 5 , then
y = 5x + c ← is the partial equation
to find c substitute (3, 9 ) into the partial equation
9 = 5(3) + c = 15 + c ( subtract 15 from both sides )
- 6 = c
y = 5x - 6 ← equation of line
The equation of the straight line with gradient 5 that passes through (3,9) is y = 5x - 6.
Explanation:To find the equation of a straight line with a given gradient, we can use the point-slope form of the equation: y - y1 = m(x - x1). In this case, the gradient is 5 and the given point is (3,9). Plugging in the values, we have:
y - 9 = 5(x - 3)
Expanding the equation, we get:
y - 9 = 5x - 15
Then, rearranging the equation to the form y = mx + c, we have
y = 5x - 6
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Help pleaseee!! I will give brainlist
The length FE in the circle is 6 units
The arc AE has a measure of 64 degrees
Calculating the length FEFrom the question, we have the following parameters that can be used in our computation:
The circle
Given that the lengths from the center to either chords are equal
This means that
FE = 6 units
Calculating the measure of arc AEFor the other circle, we have
BC = 58 degrees
AB = ED
The arc AE is calculated as
AE = 180 - BC - ED
Where
AB = ED = BC = 58 degrees
So, we have
AE = 180 - 58 - 58
Evaluate
AE = 64
Hence, the arc AE is 64 degrees
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The function f(x) = –x2 – 4x + 5 is shown on the graph. On a coordinate plane, a parabola opens down. It goes through (negative 5, 0), has a vertex at (negative 2, 9), and goes through (1, 0). Which statement about the function is true? The domain of the function is all real numbers less than or equal to −2. The domain of the function is all real numbers less than or equal to 9. The range of the function is all real numbers less than or equal to −2. The range of the function is all real numbers less than or equal to 9.
Answer:
The range of the function is all real numbers less than or equal to 9.
Step-by-step explanation:
Find the domain by finding where the function is defined. The range is the set of values that correspond with the domain.
have a great day and thx for your inquiry :)
A land owner is planning to build a fenced in rectangular patio behind his garage, using his garage as one of the "walls." He wants to maximize the area using 60 feet of fencing. The quadratic function A(x) = x(60 - 2x) gives the area of the patio, where × is the width of one side. Find the maximum area of the patio (in f2).
A2
The maximum area of the patio is, 450 feet²
Now, Lets remove the brackets from the function's expression
A(x) = -2x² + 60x
So we got the quadratic function and we have to find the x that corresponds to function's maximum. Let it be X max
As we know ,
X (max) = (X₁ + X₂)/2 ,
where X₁ and X₂ are the roots of the function A(x)
Lets find X₁ and X₂
x (60 - 2x) = 0
Hence, x₁ = 0
And, 60 - 2X₂=0
x₂ = 30
So, X max= (0 + 30)/2 = 15
So A max= A(15) = 15 (60-2 x 15) = 15 (60 - 30) = 15 x 30 = 450 feet²
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Which of the following is equivalent to (3x+2)(3x+2)(3x-2)
Answer (3x−2)(3x+2)^2
Step-by-step explanation:
Find the area of the below shape in mm^2
Answer:
(1600 + (3200π)/3) mm²
Step-by-step explanation:
1 cm = 10mm. (1cm)² = (10²)mm = 100mm²
area of rectangle = 2 X 8 = 16cm² = 1600mm²
radius of circle = 8cm.
area of full circle would be = π r² = π (8)² = 64π cm²
360° in full circle
area of triangular sector = (60/360) X (64π) = (32π)/3 cm² = (3200π)/3 mm²
total area = (1600 + (3200π)/3) mm²
Help Quickly! The table shows bear population data gathered by researchers in the Wild Horse Forest. If the total bear population was 2,008 bears in May 2002, estimate the number of total bears counted in 2002 to complete the chart. (Zoom click the picture to see it better)
The estimated total number of bears in 2002 will be 1060.
How to estimate the population sizeTo estimate the population size, the mark-recapture formula is applied. This formula is used to determine the unknown population size. First, a selected sample from the population of bears has the number marked initially and the total population. The formula is: N = MC/R
In the given question,
M = 2008
C = 38
R = 72
So, N = (2008)(38)/72
= 76304/72
1059 which is estimated at 1060.
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Mrs. Golden wants to cove her 6.5 foot by 4 foot bulletin board with silver paper that comes in 1 foot squares. How many squares does Mrs. Golden need to cover her bulletin board? will there be any fractional pieces of silver pater left over? Explain why or why not.
Mrs. Golden will not have any Fractional pieces of silver paper left over as the area of the bulletin board is exactly divisible by the area of each silver paper square.
To cover Mrs. Golden's bulletin board, we need to calculate the total area of the board and then divide it by the area of each silver paper square to get the total number of squares required.
The area of the bulletin board can be calculated by multiplying its length and width:
Area of bulletin board = 6.5 ft x 4 ft = 26 sq. ft.
Since the silver paper comes in 1 ft squares, the area of each square is 1 sq. ft.
Therefore, the total number of silver paper squares required to cover the bulletin board can be calculated by dividing the area of the bulletin board by the area of each square:
Total number of squares required = Area of bulletin board / Area of each square
= 26 sq. ft / 1 sq. ft
= 26 squares
So, Mrs. Golden will need 26 silver paper squares to cover her bulletin board.
As the area of the bulletin board is not exactly divisible by the area of each silver paper square, there will be some fractional pieces of silver paper left over. The leftover fractional area will be equal to the remainder obtained when the area of the bulletin board is divided by the area of each square. In this case, the remainder is 0 sq. ft since the area of the bulletin board is exactly divisible by the area of each square.
Therefore, Mrs. Golden will not have any fractional pieces of silver paper left over as the area of the bulletin board is exactly divisible by the area of each silver paper square.
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simplify. (write each expression without using the absolute value symbol.)
1.|x+3| if x > 5
2. |x+3| if x>2
1.
If x > 5, then the absolute value on |x+3| isn't actually doing anything.
|x+3| = x+3 (without the absolute value) since x+3 is positive for x > 5.
2.
If x > 2, then the absolute value on |x+3| again isn't actually doing anything.
|x+3| = x+3 (without the absolute value) since x+3 is positive for x > 2.
You'd have to be dealing with x-values less than -3 for the absolute value to impact the calculation. Only for x < -3 would "x+3" not be positive and only then does the absolute value change the result.