What is the domain and use properties of continuity to support your answer

What Is The Domain And Use Properties Of Continuity To Support Your Answer

Answers

Answer 1

The domain of the function is x < 2 and it is discontinuous at x = 2

What is the domain of a function?

The domain of a function is the range of input values to the function.

How to find the domain of the given function?

Given that the above function f(x) = √[(x² + 1)/(2 - x)]

The domain of the function is the range of values of x that make the denominator greater than zero

So, the domain is √(2 - x) ≥ 0

2 - x ≥ 0

2 ≥ x

x ≤ 2

So, the function is valid for x < 2 and discontinuous at x = 2 since at x = 2, √(2 - x) = √(2 - 2) = 0

So, we see that the function is valid for x < 2 and discontinuous at x = 2

So, the domain of the function is x < 2 and it is discontinuous at x = 2

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Related Questions

Factorise completely x - 4x cubed

Answers

-x(2x+1)(2x-1). Pls mark brainliest

I need help with this problem...please response and show the process ​

Answers

The equation that represents the linear relationship between the x- values and y-values in the table is y = 6x - 5 .

What is a linear equation?

An algebraic equation of the form y=mx+b is referred to as a linear equation. m is the slope, and b is the y-intercept, and all that is involved is a constant and a first-order (linear) term. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

The equation y = 6x - 5  can represent the linear relationship between the x- values and y-values because it satisfies all the given values for x and y.

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lcm of 2 3 7 45 8 9 66 and 4

Answers

Answer:

LCM = 27,720

Step-by-step explanation:

brainliest please

Which of the following is not a way to represent the solution of the inequality 2(x − 1) less than or equal to 10?

A number line with a closed circle on 6 and shading to the right

A number line with a closed circle on 6 and shading to the left

6 greater than or equal to x

x less than or equal to 6

Answers

x less than or equal to 6 is the following is not a way to represent the solution of the inequality.

What is inequality in math?

A mathematical statement indicating an order relationship between two numbers or algebraic expressions, such as greater than, greater than or equal to, less than, or less than or equal to.The equation-like form of the formula 5x 4 > 2x + 3 has an arrowhead in place of the equals sign. It is an illustration of inequity. This shows that the left half, 5x 4, is bigger than the right part, 2x + 3. Finding the x numbers for which the inequality holds true is what we are most interested in.

2(x − 1) ≤ 10

2x - 2 ≤ 10

2x ≤ 10 + 2

2x ≤ 12

x ≤ 6

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Ricardo went jet skiing while on vacation. The jet ski rental cost a flat rate of $25, plus $17.75 per hour. Ricardo had $102.17. How much did he have left after 3 hours of jet ski riding?

$23.92
$48.92
$53.25
$78.25

Answers

Ricardo will be left with $23.92 after 3 hours of Jet ski riding

How to calculate the amount left ?

Ricardo is on vacation so he went jet skiing

The Jet ski has a rental flat rate of $25

They also charge $17.75 per hour

Ricardo had $102.17

The amount spent in 3 hours is

17.75(3) + 25

= 53.25 + 25

= 78.25

The amount left is

= 102.17 - 78.25

= 23.92

Hence Ricardo has $23.92 left after the Jet ski ride

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Solve for d. -19= d/7- 21

Answers

D is equal to 14

You need to isolate the variable (d) by doing the same thing on both sides to cancel out the other numbers. Then you will get your answer.

Next I checked my work by putting the answer I got back into the original equation and making sure it would work
D=14 is correct answer

21=7e-4f
solve for f
step by step
Thanks

Answers

The solution for f in expression 21 = 7e - 4f is (7e - 21) / 4

Given,

The expression: 21 = 7e - 4f

We have to solve this expression for f:

Then,

21 = 7e - 4f

Add 4f to both sides

21 + 4f = 7e - 4f + 4f

Then we will get,

21 + 4f = 7e

Add -21 to both sides

21 + 4f - 21 = 7e - 21

Then we will get,

4f = 7e - 21

Take 4 from left hand side to right hand side.

That is,

f = (7e - 21) / 4

Therefore, the solution for f in expression 21 = 7e - 4f is (7e - 21) / 4

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Jin borrows $3,600 and plans to pay the loan off in 18 months. How much simple interest will he owe if it takes 18 months to repay the loan? Round to the nearest cent.

Answers

He will owe a simple interest of $229.50

Simple interest is defined as the extra amount of money that is paid by the lender to the borrower for the amount of money that is taken on loan when returning the amount.

The simple interest on the principal is calculated by using the formula

I = P · R · T ,

Here I is the interest , P is the principal , R is the rate and T is the time.

Given in the question the amount of money loaned = $3600 , this is the principal (P) ,

Rate (R) = 4.25% = 0.0425

Time (T) is given  18 months which is equivalent to 1.5 years

Now the interest will be calculated by :

I = 3600 × 0.0425 × 1.5

I = 229.50

Therefore the interest earned is $ 229.50 .

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Question:✨Jin borrows $3,600 and plans to pay the loan off in 18 months. How much simple interest will he owe if it takes 18 months to repay the loan? Round to the nearest cent.

Answer: Ok took me a while to get the answer but

He will owe a simple interest of $229.50

Simple interest is defined as the extra amount of money that is paid by the lender to the borrower for the amount of money that is taken on loan when returning the amount.

The simple interest on the principal is calculated by using the formula

I = P · R · T ,

Here I is the interest , P is the principal , R is the rate and T is the time.

Given in the question the amount of money loaned = $3600 , this is the principal (P) ,

Rate (R) = 4.25% = 0.0425

Time (T) is given  18 months which is equivalent to 1.5 years

Now the interest will be calculated by :

I = 3600 × 0.0425 × 1.5

I = 229.50

Have an awesome night/day<3


Is the sequence geometric? If it is, what are a₁ and r ?
c. 2³, 2⁷, 2¹¹, 2¹⁵, . . . . . . . .

Answers

Answer:

a₁ = 8 and r = 16

Step-by-step explanation:

the sequence has a common ratio r between consecutive terms and is therefore geometric , that is

r = [tex]\frac{a_{2} }{a_{1} }[/tex] = [tex]\frac{2^{7} }{2^3}[/tex] = [tex]2^{(7-3)}[/tex] = [tex]2^{4}[/tex] = 16

r = [tex]\frac{a_{3} }{a_{2} }[/tex] = [tex]\frac{2^{11} }{2^7}[/tex] = [tex]2^{(11-7)}[/tex] = [tex]2^{4}[/tex] = 16

r = [tex]\frac{a_{4} }{a_{3} }[/tex] = [tex]\frac{2^{15} }{2^{11} }[/tex] = [tex]2^{(15-11)}[/tex] = [tex]2^{4}[/tex] = 16

the first term a₁ = 2³ = 8

How would I find the coordinate of a point Q if P is the midpoint of NQ (with line over it). P is 3, -2 and N is 5, -3

Answers

[tex]~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ N(\stackrel{x_1}{5}~,~\stackrel{y_1}{-3})\qquad Q(\stackrel{x_2}{x}~,~\stackrel{y_2}{y}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ x +5}{2}~~~ ,~~~ \cfrac{ y -3}{2} \right) ~~ = ~~\underset{midpoint}{\stackrel{\textit{\LARGE P}}{(3~~,~~-2)}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{x+5}{2}=3\implies x+5=6\implies \boxed{x=1} \\\\\\ \cfrac{ y -3}{2}=-2\implies y-3=-4\implies \boxed{y=-1}[/tex]


Write an equation of the line through each pair of points. Use point-slope form.(-1/2, -1/2) and (-3,-4)

Answers

The equation of the line in point-slope form, which passes through the pair of points located at (-1/2 , -1/2) and (-3 , -4), is y + 1/2 = 7/5(x + 1/2).

The equation of a line can be expressed in three different forms: standard form, slope-intercept form, and point-slope form.

The standard form of an equation of a line is expressed as ax + by = c, where a and b, if all possible must be integers, are the coefficients of variable x and y, respectively, and c is a constant. Meanwhile, slope-intercept form is given by the formula y = mx + b, where m is the slope of the line and b is the y- intercept. On the other hand, given the slope m and a point on the line (x , y), we can express the equation in point-slope form, (y - y1) = m(x - x1).

Getting the slope of the two points: (-1/2 , -1/2) and (-3 , -4).

m = (y2 - y1)/(x2 - x1)

m = (-4 - -1/2)/(-3 - -1/2)

m = (-7/2)/(-5/2)

m = 7/5

Using the point slope form, plug in the values of the slope and one point to set up the equation.

(y - y1) = m(x - x1)

where m = 7/5 and (x1 , y1) = (-1/2 , -1/2)

(y - -1/2) = 7/5(x - -1/2)

y + 1/2 = 7/5(x + 1/2)

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Look at this graph.
What is the equation of the line in slope-intercept form?

Answers

Answer: y = -4x + 3

Step-by-step explanation:

Line touches at point 3 on the y axis

Goes up 4 and left by 1

biofuel for a jet engine is made up of 50% jet A 47.5% jatropha and the rest is algae. what percent of biofuel is algae?

Answers

Answer:

Tell what each power means but don't determine its value


Solve each equation. Check each solution. 11/3x - 1/3 = -4/x²

Answers

The solutions of the given equation 11/3x - 1/3 = -4/x² are x = -1 and x = 12

In this question, we have been given an equation.

11/3x - 1/3 = -4/x²

We need to solve given equation.

⇒ 11/3x - 1/3 = -4/x²

⇒ (33 - 3x)/9x = -4/x²

⇒(33 - 3x)/9 = -4/x

⇒ x(33 - 3x) = -36

⇒ -3x² + 33x + 36 = 0

⇒ x² - 11x - 12 = 0

⇒ x² - 12x + x - 12 = 0

⇒ x(x - 12) + 1(x - 12) = 0

⇒ (x - 12)(x + 1) = 0

⇒ x - 12 = 0           or       x + 1 = 0

⇒ x = 12           or          x = -1

Now we need to check above solutions.

Substitute x = 12 in given equation.

⇒ 11/3(12) - 1/3 = -4/(12)²

⇒ 1/3 (11/12 - 1) = 1/3(-4/48)

⇒ -1/12 = -1/12

⇒ LHS = RHS

Now substitute x = -1 in given equation.

⇒ 11/3(-1) - 1/3 = -4/(-1)²

⇒ -12/3 = -4/1

⇒ -4 = -4

⇒ LHS = RHS

Therefore, the solutions of the given equation 11/3x - 1/3 = -4/x² are x = -1 and x = 12

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What is the solution of the system of equations? x+3y = 5 , -2x - 4y = -5.

Answers

The solution of the system of equations involving x + 3y = 5 and -2x - 4y = -5 is (-5/2 , 5/2).

A system of linear equations is a set of two or more equations which includes common variables. To solve system of equations, we must find the value of the unknown variables used in the equations that must satisfy both equations.

There are three methods that can be used to solve system of linear equations.

1. Elimination

2. Substitution

3. Graphing

Using substitution method, given two linear equations in x and y,

x + 3y = 5     (equation 1)

-2x - 4y = -5     (equation 2)

Using the first equation, find the value of one variable, lets say x, in terms of the other.

x + 3y = 5     (equation 1)

x = 5 - 3y

Substitute the equation of x to the second equation.

-2x - 4y = -5     (equation 2)

-2(5 - 3y) - 4y = -5

-10 + 6y - 4y = -5

Combining all terms containing the variable y on one side and the constants on the other side of the equality, and solving for y.

-10 + 6y - 4y = -5

6y - 4y = -5 + 10

2y = 5

y = 5/2

Substitute the value of y in the equation of x.

x = 5 - 3y

x = 5 - 3(5/2)

x = 5 - 15/2

x = -5/2

Hence, the solution of the given system of equations is (-5/2 , 5/2).

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The solution to the original system is the pair and Explain why it makes sense that this pair of values is also the solution to the equation

Answers

Sum of the two separate equations.

The values satisfies the equation is 2430.

What is equation?

A mathematical statement known as an equation is made up of two expressions joined together by the equal sign. The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions.

Given that,

Equations for the two separate days :

125a +65 s = 1,200 - - - Friday

140a +50s = 1,230 - - - Saturday

Because, Inputting the solution, satisfied the equation:

a = 7 ; s = 5

265a+115s=2430

265(7) + 115(5) = 2430

1855 + 575 = 2430.

Therefore, The values satisfies the equation is 2430.

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Bonus Solve
5x-3+3x-(8-2x) = 9

Answers

Answer:

Step-by-step explanation:

[5x+3x-(-2x)]+[-3-8]=9

10x+(-11)=9

10x=20

x=2

NASA launches a rocket at
t
=
0
t
=
0
seconds. Its height, in meters above sea-level, in terms of time is given by
h
=

4.9
t
2
+
259
t
+
423
h
=
-
4.9
t
2
+
259
t
+
423
.

How high is the rocket after 8 seconds?

meters

How high was the rocket when it was initially launched?

meters

Answers

Answer:

Step-by-step explanation

Height for time = 8 seconds

h = -4.9t^2 + 259t + 423

h = -4.9(8)^2 + 259(8) + 423

h = -313.6 + 2072 + 423

h = 2181.4 meters at 8 seconds

Heoght for time = 0 seconds

h = -4.9t^2 + 259t +423

h = -4.9(0)^2 + 259(0) + 423

h = 0 + 0 + 423

h = 423 meters at 0 seconds

suppose that Angle Hik and Angle LIJ are verticle angles. find their measures if the following conditions apply. see picture ​

Answers

10. m∠HIK (2x+15)°, m∠LIJ = (5x-27)°, m∠HIK =

if they are vertice angles then they are equal to each other or

they both add up to 180°

A.

2x+15=5x-27

3x=42

x=14

B.

(2x+15)° + (5x-27)° = 7x-12

7x-12 = 180

7x=192

x = 27 3/7 or 27.43

Please please help me!! I don't understand this and if I fail i'm going to get in trouble!!

Answers

Answer: 3.82x10^7

Step-by-step explanation:

What is 1+10-70
Please help

Answers

Answer:

-59

Step-by-step explanation:

use pemdas

1+10-70

11-70

-59

-59 hope I helped you

Answer questions 7 and 8 and I'll give brainliest (20 points)

Answers

7 - The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.

8 - Modele A is the most accurate cause the sun, earth, & moon are in a straight line & in the time and space all the planets are in one straight line.

Hope this helps!

the radius of Jupiter at its equator is approximately 2 * 5^2 * 11 * 79 miles. Use the formula A = 3.14r^2 to find the area of the cross section of the planet at the equator.

PLEASSEEE I NEED HELLPPP!!!!

Answers

The area of the cross section of the planet at the equator is 5. 92 × 10^9 square miles

How to determine the area

From the information given, we have the formula for area to be;

A = 3.14r²

Where 'r' is the radius of the shape

The radius of Jupiter = 2 * 5^2 * 11 * 79

This is simplified to = 2 × 25 × 11 × 79 = 43, 450

Substitute into the formula

Area = 3. 14 × (43, 450)²

Area = 3. 14 × 1. 89 × 10^9

Area = 5. 92 × 10^9 square miles

Thus, the area of the cross section of the planet at the equator is 5. 92 × 10^9 square miles

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Answer:

5,928,013,850

Use the numbers 3, 4, 6, and 8 once in each exercise to make a true

statement.

Answers

The true statements are as follows:

(6 ×3) ÷ (6 + 3) = 2

4 × 6 ÷ ( 3 × 8 )  = 1

3 × (3× 3) + 6 = 18

6 ÷ (4 - 3) + 8 = 14

What are Arithmetic operations?

Arithmetic operations can also be specified by adding, subtracting, dividing, and multiplying built-in functions.

+ Addition operation: Adds values on either side of the operator.

For example 4 + 2 = 6

- Subtraction operation: Subtracts the right-hand operand from the left-hand operand.

for example 4 -2 = 2

* Multiplication operation: Multiplies values on either side of the operator

For example 4*2 = 8

/ Division operation: Divides left-hand operand by right-hand operand

For example 4/2 = 2

We have the numbers 3, 4, 6, and 8 once in each exercise to make a true.

⇒ (6 ×3) ÷ (6 + 3) = 2

⇒ 4 × 6 ÷ ( 3 × 8 )  = 1

⇒ 3 × (3× 3) + 6 = 18

⇒ 6 ÷ (4 - 3) + 8 = 14

Thus, the required solution is shown above.

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Suppose you are stacking boxes in levels that form squares. The numbers of boxes in successive levels form a sequence. The figure at the right shows the top four levels as viewed from above.

a. How many boxes of equal size would you need for the next lower level?

Answers

There is need of total of 25 boxes of same size for the next lower level.

What is a sequence ?

A sequence can be taken as the set of numbers having a particular order for all the terms or we can say that arrangement of numbers in some order is known as sequence.

Some examples for sequence are :

2,4,6,8,10,12

3,9,27,81,243

What is recursive sequence ?

The recursive sequence is the sequence in which any term in the sequence can be find with the help of previous term of that sequence.

In a sequence , first term always known as initial term.

and difference between two terms are known as common difference. It is denoted by d.

General form of sequence is :

[tex]a_1,a_2,a_3,----,a_n[/tex]

where , [tex]a_n[/tex] = last term in sequence.

According to question,

The boxes in each of successive levels make a sequence.

Also, number of boxes at level n = [tex]n^2[/tex]

As upto four level the number of boxes are 16.

at level 5 , n = 25

Thus, the total  boxes of equal or same size need for next lower level is 25.

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The complete question is :

Suppose you're stacking boxes in levels which make squares. The numbers of boxes in each successive levels make a sequence. The figure show top four levels as view from top or above.

a. How many boxes of same size would need for next lower level?

b. How many boxes of same size would need to add the 3 levels?

c. Suppose you are stacking 285 boxes. Then, how many total levels will you have?

13+(2^2xx7)-10 i need help with this i dont get it

Answers

The value of the expression 13 + (2^2 x 7) - 10 is 31

How to evaluate the expression?

The expression is given as

13 + (2^2 x 7) - 10

Evaluate the exponent

So, we have

13 + (2^2 x 7) - 10 = 13 + (4 x 7) - 10

Evaluate the product

So, we have

13 + (2^2 x 7) - 10 = 13 + 28 - 10

Evaluate the sum

So, we have

13 + (2^2 x 7) - 10 = 41 - 10

Evaluate the difference

So, we have

13 + (2^2 x 7) - 10 = 31

Hence, the value of the expression 13 + (2^2 x 7) - 10 is 31

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2xy; when x = 5 and y = 3x

Answers

30x is the value of the given equation .

WHAT IS MULTIPLICATION OF ALGEBRA ?

Algebraic expression multiplication is the operation of multiplying two given expressions made up of variables and constants. An algebraic expression is one that incorporates variables and integer constants.

CALCULATION

x = 5

y = 3x

2xy = 2 * 5 * 3x ( plugging in the value )  

       = 30x

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Find the distance from the line to the given point.
y=1/6x+6,(-6,5)

Answers

The distance from the line [tex]y=\frac{1}{6} x+6[/tex] to the given point (-6,5) is o units .

Distance Formula : the distance between the line ax+by+c=0 and the point (p,q) is given by the formula

[tex]d=\frac{|ap+bq+c|}{\sqrt{a^{2} +b^{2} } }[/tex]

In the given question the equation of line is [tex]y=\frac{1}{6} x+6[/tex]

taking LCM and solving further

[tex]y=\frac{x+36}{6} \\ \\ 6y=x+36\\ \\ x-6y+36=0[/tex] ⇒equation of the line .

Given point (-6,5)

from above values we found that a=1 , b = -6 , c=36, p=-6, q=5.

Substituting the values in distance formula we get

[tex]d=\frac{|1*(-6)-6*5+36}{\sqrt{1^{2} +(-6)^{2} } }[/tex]

[tex]=\frac{|-6-30+36|}{\sqrt{37} }[/tex]

[tex]=\frac{-36+36}{\sqrt{37} }[/tex]

[tex]=0[/tex]

Therefore , the distance from the line [tex]y=\frac{1}{6} x+6[/tex] to the given point (-6,5) is 0 units.

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X=2y-2 z=5x+3y-4 3y=9

Answers

The values of the variable x, y and z are x = 4; y = 3 and z = 25.

What is the method of substitution?There are two approaches to resolving simultaneous linear equations: graphical methods and algebraic methods. The algebraic method comprises the substitution method as one of its categories.The algebraic method for solving simultaneous linear equations is the substitution method. The amount of one variable through one equation is interchanged in the other equation, as the name implies. In this manner, a pair of linear equations is transformed into a single linear equation only with one variable, that can then be solved easily.

Now, as per the given question, the three equations are given below;

x = 2y - 2  .......eq 1

z = 5x + 3y - 4    .........eq 2

3y = 9       ...............eq 3

From equation , calculate y.

3y = 9

y = 9/3 = 3.

Substitute the value of y in eq 1.

x = 2y - 2

x = 2×3 - 2

x = 6 - 2

x = 4

Now, put the value of x and y in equation 2.

z = 5x + 3y - 4

z = 5×4 + 3×3 - 4

z = 20 + 9 - 4

z = 25

Thus, the values of the three variables are;

x = 4; y = 3 and z = 25.

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l
Write & solve each equation. The sum of three consecutive even integers is -96. Find
the integers.

Answers

Answer:

-30, -32 and -34

Step-by-step explanation:

-30 + -32 + -34 = -96

Other Questions
50pts to whoever can solve these literal equations correctly.please hurry!!! Find the distance between each pair of points. Round to the nearest tenth. A(1,5) and B(-2,-3) a. Which property does the equation 3(g+h)+2 g=(3 g+3 h)+2 g illustrate? [ Brainliest + 20 points]The smallest angle by which a regular 30-sided figure can be rotated to look exactly like the original figure is __ degrees. The addition or removal of users from a wired network by an administrator is an example of:_________ I belong in the month of December, but not in any other month. I am not a holiday. What am I? Which kind of analysis calculates the total cost of ownership for running and end-to-end traditional it environment versus deploying to aws? Solve each equation or inequality. 4 x+6 -6 The counsellor's role is not to decide the direction in which a client moves; rather, the counsellor provides an environment in which the client can best choose where to go. this statement is:_________ An item is regularly priced at $55. It is on sale for 45% off the regular price. Use the passage to answer the question. Part B The Georgia governor's order is an example of which of the following? (1 point) popular sovereignty sectionalism martial law manifest destiny Step 3: Estimate the volume of the regularly shaped balls.a) Use a ruler to determine the diameter of the table tennis ball in cm. Record this in Table A.b) Use the equation radius = diameter/2 to calculate the radius of the ball. Record this in TableA.c) Use the equation volume = 4/3r3to estimate the volume of the ball. Record this in Table A.d) Repeat Steps 3ac for the golf ball. A nurse is preparing to give a client an infusion of gamma globulin. the nurse knows to stop the infusion if the client experiences which symptoms? select all that apply. Simplify each complex fraction. 1 + 2/x / 2 + 3 / 2x What is the area of this composition shape enter your answer in the box 7 inches and 3 inches in 5 inches in 12 inches blank inches square Write an equation of a parabola with vertex at the origin and the given focus.focus at (6,0) What theme is Edgar Allan Poe trying to convey to the reader in the short story The Pit and the Pendulum? Determine whether each sequence is arithmetic. If so, identify the common difference. 1,3,9,27, . . . . The discharge of water through an open channel is10.0 m3/s. what is the discharge in liters/min, gal-lons/min? 4 \large \frac{7}{12} + 2 \large \frac{3}{4} + 7 \large \frac{5}{12}