I need help with this question

I Need Help With This Question

Answers

Answer 1

Answer:

0

Step-by-step explanation:

[tex]f(-2)[/tex] is the value of [tex]y=f(x)[/tex] at [tex]x=-2[/tex]


Related Questions

An exponential function approaches 10 as x approaches infinity. Write a possible equation for the function.

Answers

An exponential function approaching a value of 10 as x approaches infinity is given as follows:

[tex]y = (0.25)^x + 10[/tex].

What is an exponential function?

The general model for an exponential function is presented as follows:

[tex]y = ab^x + c[/tex]

In which the variables of the function are listed as follows:

a is the initial value of the function.b is the rate of change of the function.c is the asymptote of the function.

In this problem, the function approaches value of 10 as x approaches infinity, meaning that the asymptote is of 10, hence:

c = 10.

The above condition is also only possible if the exponential function is decreasing, that is parameter b is between 0 and 1, hence one possible function is:

[tex]y = (0.25)^x + 10[/tex]


The restriction for parameter b is because if the function was increasing, that is, b > 1, it would approach infinity as x approaches infinity.

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Round 1.2345678 to 5 decimals places

Answers

Answer:

1.23457

Step-by-step explanation:

You count 5 places from the decimal point. Then since 6 is greater than 5 you round up

Evaluate the following functions.
Help

Answers

Okay so here all you do is substitute the number by f in for x so the first equation is 2(0)^2+4(0)+9 which equals 0+0+9=9
And you do the same thing for the second equation except this has -1 for x so you get 2(-1)^2+4(-1)+9 which equals 2-4+9=7. Make sense? Hope this helps

Needing help pleasee!!

Answers

ΔRNP and ΔSOP are congruent by the ASA rule.

What is Angle-Side-Angle (ASA) Rule?

If two angles and the included side of one triangle equal two angles and the included side of another, the triangles are congruent.

In the given figure,

For ΔRNP and ΔSOP,

                    ∠NRP ≅ ∠OSP ----- (Alternate angles)

                    ∠OPS ≅ ∠RPN ----- (Opposite angles)

                    Side PR ≅ Side PS

Hence, ΔRNP and ΔSOP are congruent by the ASA rule.

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Audrey is driving to a concert and needs to pay for parking. There is an automatic fee
of $6 just to enter the parking lot, and when she leaves the lot, she will have to pay an
additional $2 for every hour she had her car in the lot. How much total money would
Audrey have to pay for parking if she left her car in the lot for 5 hours? How much
would Audrey have to pay if she left her car in the lot for t hours?

Answers

Answer:$16

$6 + $2(t)

Step-by-step explanation:

$6 + $2(5)

Audrey is driving to a concert and needs to pay for parking. There is an automatic fee of $6 just to enter the parking lot, and when she leaves the lot, she will have to pay an additional $2 for every hour she had her car in the lot. How much total money would Audrey have to pay for parking if she left her car in the lot for 5 hours? How much would Audrey have to pay if she left her car in the lot for tt hours?

Cost of parking for 5 hours:

Cost of parking for tt hours:

HELP FAST 34 POINTS AND BRAINLIEST!!

In a bag of marbles there are 9 red marbles,6 blue marbles and 3 white marbles.Using fractions in their lowest terms,calculate the probability of drawing out:

a red marble

a white marble

a blue marble

Answers

Answer:

Red:  1/2

White:  1/6

Blue:  1/3

Step-by-step explanation:

You take and find the total number of marbles, which is 18. You then take the number of each different color and make that number your numerator, and 18 your denominator and reduce.

Red: 9/18 reduces to 1/2

White: 3/18 reduces to 1/6

Blue: 6/18 reduces to 1/3

1. What is the value of x?
X-2
4

Answers

Answer:

.......

.......

Step-by-step explanation:

.....

.....

.....

....

....

Functions can be defined using graphs, tables, and ordered pairs. What is the range of a function?
ANSEWERS:
The range is the input.
The range is all numbers.
The range is any x-value.
The range is the output.

Answers

(D) The range is the output.

The domain of a function is the set of values that we are allowed to enter into our function. The x values for a function like f make up this set (x).

The collection of values that a function can take on is known as its range. The values that the function outputs when we enter an x value are in this set. They are the y values.

The sets of all the x-coordinates and all the y-coordinates of ordered pairs, respectively, are the domain and range of a relation. The domain and range of a function are the components of a function.

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What is the y-intercept?
10. Write the equation of the trend line.
11. What is the exact y-value when x=12?
12. What is the exact x-value when y = 4?
13. What is the exact y- value when x=-6

Answers

Considering the linear function, the features are given as follows:

9. y-intercept: (0,2).

10. Equation: y = 5x/6 + 2.

11. y when x = 12: y = 12.

12. x when y = 4: x = 2.4.

13. y when x = -6: y = -3.

What is a linear function?

The slope-intercept representation of a linear function is given by the rule shown as follows:

y = mx + b

The coefficients of the function and their meaning are described as follows:

m is the slope of the function, representing the change in the output variable y when the input variable x is increased by one.b is the y-intercept of the function, which is the value of y when the function crosses the y-axis.

In this problem, the function crosses the y-axis at y = 2, hence the intercept is:

b = 2.

When x increases by six, y increases by five, hence the slope is:

m = 5/6.

Thus the equation is:

y = 5x/6 + 2.

The numeric values for the function are given as follows:

x = 12: y = 5(12)/6 + 2 = 10 + 2 = 12.x = -6: y = 5(-6)/6 + 2 = -5 + 2 = -3.

The solution when y = 4 is given as follows:

4 = 5x/6 + 2.

5x/6 = 2

5x = 12

x = 12/5

x = 2.4.

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What is the distance between (4,5) and (-2, -3)?

Answers

Answer:

10 units

Step-by-step explanation:

The distance formula is as follows:

D =  √[(x2 - x1)^2 + (y2 - y1)^2]

=      √[(-2 - 4)^2 + (-3 - 5)^2]

= √(-6)2 + (-8)2

= √100

= 10

Answer:

10 Units

Step-by-step explanation:

Distance (d) = √(-2 - 4)2 + (-3 - 5)2

= √(-6)2 + (-8)2

= √100

= 10

Hope this helps! :)

How many rows are left?

Answers

7/15 rows are left after crows ate some rows.

Total no. of rows he planted = 1 2/3

                                               = 1 + 2/3

                                               = (3 + 2)/3

                                               = 5/3

No. of rows crows ate = 1 1/5

                                     = 1 + 1/5

                                     = (5 + 1)/5

                                     = 6/5

No. of rows left = 5/3 - 6/5

                         = (25 - 18)/15

                         = 7/15

Hence, no. of rows left is 7/15.

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A shed for holding sports equipment is 180 inches
long. There are 12 inches in 1 foot. How many feet
long is the shed?

Answers

Answer: 15 feet

Step-by-step explanation:

180 inch = 15 feet


The midpoint of a given line segment must lie on the given line segment.
A. Trime
OB. False

Answers

The midpoint of a given line segment must lie on the given line segment is True.

What is midpoint?

 A midpoint is a location that sits in the middle of the line connecting two points and is situated between them. If a line is drawn connecting the two points, the midpoint is the place on the line that is equally distant from both points. A point B that is situated halfway between two other points, such as A and C, is said to be the midpoint. Because of this, finding the midway only requires measuring the length of the line segment and dividing it by 2.

Here the given statement is,

=> The midpoint of a given line segment must lie on the given line segment.

Here according to the given statement we know that the midpoint of the any line lies on the given line.

Hence the given statement is True.

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Harry asked a sample of 444 people how many siblings they had. Here are their responses: 0, 0, 1, 30,0,1,30, comma, 0, comma, 1, comma, 3 The mean is \bar x =1 x ˉ =1x, with, \bar, on top, equals, 1 sibling. Which of these formulas gives the standard deviation? Choose 1 answer:

Answers

The formulas give the standard deviation will be sₓ=√(0-1)²+(0-1)²+(1-1)²+(3-1)²/4.Option C is correct.

What is the standard deviation?

It is defined as the measure of data disbursement, It gives an idea about how much is the data spread out.

[tex]\rm \sigma = \sqrt{\dfrac{ \sum (x_i-X)}{n}[/tex]

σ is the standard deviation

xi is each value from the data set

X is the mean of the data set

n is the number of observations in the data set.

It is given that, Harry asked a sample of 4 people how many siblings they had. Here are their responses:0,0,1,3  The mean is 1 sibling.

[tex]\bar x =1 \\\\ n =4[/tex]

The formulas give the standard deviation as,

[tex]\rm s_x = \sqrt{\frac{(x_1-\bar x)^2+(x_2-\bar x)^2 +(x_3- \bar x)^2 }{n-1} } \\\\ s_x = \sqrt{\frac{(0- 1)^2+(0-1)^2 +(1- 1)^2 + (3-1)^2}{3} }[/tex]

Thus, the formulas give the standard deviation will be sₓ=√(0-1)²+(0-1)²+(1-1)²+(3-1)²/4.Option C is correct.

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A boat is heading towards a lighthouse, where Aaden is watching from a vertical distance of 103 feet above the water. Aaden measures an angle of depression to the boat at point
A
A to be 18


. At some later time, Aaden takes another measurement and finds the angle of depression to the boat (now at point
B
B) to be 75


. Find the distance from point
A
A to point
B
B. Round your answer to the nearest tenth of a foot if necessary.

Answers

The slope concept shows that there are 335.3953 feet between points A and B.

What is a slope?

The slope is calculated by dividing the vertical and horizontal changes. A line's steepness can be determined by looking at its slope. Slope is calculated mathematically as "rise over run" (change in y divided by change in x).

Additionally, it is the tangent to the depression angle.

The vertical change in this issue is 103 feet.

At point A, the horizontal position is represented by xA, and the angle there is 18o, so: tan 18 degree = 103/xA xA = 103/tan 18 degree xA = - 90.5653

At point B, the horizontal position is at, and the angle is at, so: tan 75degree = 103/xB xB = 103/tan 75 degree xB = - 244.83

The measurement is given by: d = xA - xB d = -90.5653 - ( - 244.83)

d = 335.3953

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Answer:

289.4

Step-by-step explanation:

please help me (20pts)

Answers

Answer: Table A

Step-by-step explanation:

The table must have a constant rate of change on both sides. Table B goes up by 2, then 2, then 3, which breaks the pattern (this is in the y-axis).

Table C goes up by 3, then 4, then 4, which is ALSO an inconsistent pattern (in the x-axis). Table D goes up by 2, then 1, then 2, which is also inconsistent (y-axis).

This leaves Table A, which has a consistent pattern on both sides.

A small hardware store makes a profit of $20,000 during its first year. The store owner sets a goal of increasing profits by $5,000 each year for the next 4 years. Assuming that this goal in met, find the total profit during the first 5 years of business.

profit = $ ___________

Answers

20,000+4(5,000)
40,000

S=5(20,000+40,000)/2

S=$150,000

Base Number is unknown: a/?= x/100?

Answers

Answer:

A. x= .100

Step-by-step explanation:

Pyramid A is a right square pyramid with a height of 72 m and a square
base with a perimeter of 396 m. Pyramid B has a square base with a
perimeter of 496 m and a height of 239 m. Which pyramid has the
greater volume and by how many times as great?

Answers

Answer:

  B by a factor of about 5.208

Step-by-step explanation:

Given two right square pyramids (A and B) with perimeters 396 m and 496 m, and corresponding heights of 72 m and 239 m, you want to which has the greater volume and by what factor.

Volume

The volume of a right square pyramid is proportional to its height and to the square of its perimeter.

Pyramid B has both a longer perimeter and a greater height, so Pyramid B has the greater volume.

Ratio

The constant of proportionality between the dimensions and the volume is the same for both pyramids, so the ratio of their volumes is ...

  Vb/Va = ((Pb)²Hb)/((Pa)²Ha) = (496²·239)/(396²·72) ≈ 5.208

Pyramid B has about 5.2 times the volume of Pyramid A.

__

Additional comment

The volume of a right square pyramid is given by ...

  V = 1/3s²h . . . . . where s is the side length and h is the height

  V = 1/3(P/4)²h = (1/48)P²h . . . . where P is the perimeter of the base


What is the factored form of this polynomial?
p(x) = x³ + 7x² + 4x − 12
Select the correct answer from each drop-down menu

Answers

Answer:

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1:  x3+7x2 

Group 2:  4x-12 

Pull out from each group separately :

Group 1:   (x+7) • (x2)

Group 2:   (x-3) • (4)

Answer:

from the drop down menu the answers are:

x-1

x+2

x+6

Please answer need to turn in

Answers

Answer:

c

Step-by-step explanation:

i did the question

Answer:

I'm pretty sure it's C... rational number because 0.3% can be written like a fraction!

Step-by-step explanation:

I'm sure that's the answer hope it helps!

Good luck!!!

ook at the following sum.

1 + 1⁄2 + 1⁄4 + 1⁄8 + 1⁄16 + 1⁄32 + 1⁄64. . .

Notice that the denominator of each fraction in the sum is twice the denominator that comes before it.

If you continue adding on fractions according to this pattern, when will you reach a sum of 2?

Answers

Answer:  We will never reach a sum of 2

We get closer and closer to 2, but never actually reach this exact value.

==============================================================

Explanation:

The sequence

1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, ...

is geometric with these properties

a = 1 = first termr = 1/2 = common ratio

We multiply each term by 1/2 to get the next one.

Examples:

(1/8)*(1/2) = 1/16(1/32)*(1/2) = 1/64

----------------

Notice how -1 < r < 1 is true, i.e. -1 < 1/2 < 1 is true.

Because of this fact, we can determine the sum of infinitely many terms.

That infinite sum is

S = a/(1-r)

This is our upper bound of what we can reach for S.

Calculating it gives:

S = a/(1-r)

S = 1/(1-0.5)

S = 2

Therefore, the sum of the infinitely many terms of this geometric sequence is 2.

1 + 1/2 + 1/4 + 1/8 + 1/16 + 1/32 + 1/64 + ... = 2

We never quite reach 2 exactly due to the fact we cannot reach infinity on the number line. Infinity is not a number, but rather a concept.

Therefore, we never reach a sum of 2. We simply get closer and closer.

-------------

Using computer software, I was able to generate this:

1 + 1/2 = 1.51 + 1/2 + 1/4 = 1.751 + 1/2 + 1/4 + 1/8 = 1.8751 + 1/2 + 1/4 + 1/8 + 1/16 = 1.93751 + 1/2 + 1/4 + 1/8 + 1/16 + 1/32 = 1.968751 + 1/2 + 1/4 + 1/8 + 1/16 + 1/32 + 1/64 = 1.984375

The decimal values are exact without any rounding done to them. As you can see, the results of 1.5, 1.75, 1.875, etc are slowly approaching 2 but never get to that exact value itself. Visually you can think of an asymptote.

please help me with this

Answers

Model equivalent to 16 2/3 % is Option D.

Given:

The number of students at Liam's elementary school has increased 16 2/3 % in the past two weeks.

Option D is divide into six parts with one filled which is equal to 16 2/3 %.

Total parts = 6 * 16 2/3

= 6*48+2/3

= 6 * 50/3

= 300/3

= 100%

Here total parts is equal to 100% so it is the correct option.

Therefore model equivalent to 16 2/3 % is Option D.

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Mrs.Gomez is buying a triangular table for the corner of her classroom.The side lengths of the table are 5 feet.3 feet,and 4 feet.Is this triangular table a right triangle?

Answers

Answer:

Yes, this triangular table is a right triangle. It is a 3, 4, 5 Pythagorean triple.

What is a right triangle?

A right triangle is a triangle in which one of the angles is 90 degrees, making the other two angles acute angles.

What is a Pythagorean triple?

A Pythagorean triple is a set of three whole numbers, a < b < c, for which,

a^2 + b^2 = c^2

Answer:

yes it is a right triangle

Step-by-step explanation:

to find out we can use the Pythagorean theorem

a^2+b^2=c^2

We can use the shorter angles for a and b and see if this equals 5

3^2+4^2=c^2

9+16=c^2

25=c^2

Square root both sides

5=c

This triangle is a right triangle

Hopes this helps please mark brainliest

A29-m tall building casts a shadow. The distance from the top of the building to the tip of the shadow is 38 m Find the length of the shadow. If necessary, round your answer to the nearest tenth.

Answers

The length of the shadow is 24. 56m

How to determine the length

From the information given, we have that;

Height of the tree = 29mThe top of the building to the tip of the shadow is 38 m Length of the shadow = c

Using the Pythagorean theorem, we have;

a² = b² + c²

Substitute the values, we get;

38² = 29² + c²

Find the squares

1444 - 841 = c²

c² = 603

Find the square root of both sides

c = 603

c = 24. 56m

Hence, the value is 24. 56m

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Jane scored 27 out of 42 on her Maths test and 39 out of 61 in a Science test.
What were her percentages in both subjects to 1 decimal place?

Answers

Jane scored 27 out of 42 on her Maths test and 39 out of 61 in a Science test, the percentage in Maths and Science is 64.2% and 63.9% respectively.

What is Percentage?

Percent derived from the Latin word, per centum which means “by the hundred.”

Percentage is the number or ratio which is expressed in the fraction of 100 it indicate the hundredth part of any quantity. It is denoted as "%". It is used to compare the first quantity against the second. It can be calculated by dividing the value with the total value and multiplied by 100.

The formula used to calculate percentage is= (value/total value)×100%.

For given information,

Percentage for Maths test = (27/42)*100 = 64.2%

Percentage for Science test= (39/61)*100 = 63.9%

Thus, Jane scored 27 out of 42 on her Maths test and 39 out of 61 in a Science test, the percentage in Maths and Science is 64.2% and 63.9% respectively.

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Need Help Please! Real quick....I'll give brainliest to first correct answer!!!! ASAP.....Gotta turn it in.

Answers

Answer:

2x + y = 3 becomes y = 3 - 2x

-2x + y = -1 becomes y = -1 + 2x

2x + y = 5 becomes y = 5 - 2x

Parallel: 2x + y = 5

Perpendicular: 0.5x + 7

neither parallel nor perpendicular to line a: -2x + y = -1

I THINK that the line parallel to a is y=1/2x7 and the one perpendicular to a is -2+y=-1

IM NOT SURE IF THIS IS CORRECT BUT I THINK ITS RIGHT!!!!!!

Question 4 of 10
Which two correctly relate the attraction between the particles of a liquid and
the temperature at which the liquid changes state?
A. Strong attractions mean the liquid melts at a lower temperature.
B. Strong attractions mean the liquid boils at a lower temperature.
C. Strong attractions mean the liquid boils at a higher temperature.
D. Strong attractions mean the liquid melts at a higher temperature.
SUBMIT

Answers

Answer: a,c

Step-by-step explanation:


IXL Help Fast Please !

Answers

Answer:

y=-10-7

Step-by-step explanation:

3=-10(-1)+5/4

3=10+5/4

3=11 1/4

11 1/4-3=8 1/4

5/4-33/4=-28/4=-7

3=-10(-1)-7

3=10-7

3=3

Answer:

y=-10x-7

Step-by-step explanation:

3=-10(-1)+5/4

3=10+5/4

3=11 1/4

11 1/4-3=8 1/4

5/4-33/4=-28/4=-7

3=-10(-1)-7

3=10-7

3=3

24 feet is how many meters?

Answers

Answer:

There are 7.3152 meters in 24 feet.

Step-by-step explanation:

1 foot = 0.3048, so...

0.3048 x 24 = 7.3152 meters = 24 feet.

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