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Worksheets

Graphs of Radical & Rational Functions

Total questions: 30

Worksheet time: 8hrs 30mins

Name
Class
Date
1.
What are the transformations of this functions compared to the parent function?
a)
Shifted down 2
b)
Shifted up 2
c)
Shifted left 2
d)
Shifted right 2
2.

Describe the transformation.

a)

Left 1unit, Reflect over x-axis, up 2 units

b)

Left 1unit, Reflect over y-axis, down 2 units

c)

Right 1 unit, Reflect over x-axis, up 2 units

d)

Right 1unit, Reflect over y-axis, up 2 units

3.

Which function has a starting point at (3, 1)?

a)

y=x+31y=\sqrt{x+3}-1

b)

y=x31y=\sqrt{x-3}-1

c)

y=x3+1y=\sqrt{x-3}+1

d)

y=3x+1y=-3\sqrt{x+1}

4.

Which function is shifted left 5 and down 1?

a)

y=x+51y=\sqrt{x+5}-1

b)

y=5x1y=-5\sqrt{x}-1

c)

y=x51y=\sqrt{x-5}-1

d)

y=x+5+1y=\sqrt{x+5}+1

5.

Determine the function based on the graph:

a)

y=x12y=\sqrt{x-1}-2

b)

y=x12y=-\sqrt{x-1}-2

c)

y=x+12y=-\sqrt{x+1}-2

d)

y=x+12y=\sqrt{x+1}-2

6.

Select ALL the statements that are true.
 y=x+5+3y=\sqrt{x+5}+3  

a)

The domain is [5, )\left[5,\ \infty\right)  

b)

The domain is [5, )\left[-5,\ \infty\right)  

c)

The range is  [3, )\left[3,\ \infty\right)  

d)

The range is  (, 3]\left(-\infty,\ 3\right]  

e)

This function is decreasing, not increasing.

7.

Give the domain of the function based on the graph:

a)

(, )\left(-\infty,\ \infty\right)

b)

[1, )\left[1,\ \infty\right)

c)

[2, )\left[-2,\ \infty\right)

d)

(1, )\left(1,\ \infty\right)

8.

What is the domain of ALL cube root functions?

a)

(−∞,∞)

b)

[0,∞)

c)

(−∞,0]

d)

All cube root functions are different.

9.

Identify the transformations

a)

Down 2

b)

Up 2

c)

Left 2

d)

Reflection and down 2

10.

Describe the transformations.

a)

Translate Right 2, Down 4

b)

Translate Left 2, Down 4

c)

Translate Left 2, Up 4

d)

Translate Right 2, Up 4

11.

What is the Range for the graph?

a)

(2, )\left(2,\ \infty\right)

b)

(3, )\left(3,\ \infty\right)

c)

[0, 4]\left[0,\ 4\right]

d)

(, )\left(-\infty,\ \infty\right)

12.

Which function matches the graph?

a)

f(x) = − ∛(x + 3) − 1

b)

f(x) = − ∛(x - 3) − 1

c)

f(x) = ∛(x + 3) − 1

d)

f(x) = ∛(x - 1) + 3

13.
What is the Domain of ALL Square Root Functions?
a)
(−∞,∞)
b)
[0,∞)
c)
(−∞,0]
d)
All Square Root Functions are different.
14.

What are the asymptotes?

a)

x = -3 y = 1

b)

x = 3 y = -1

c)

x = 1 y = -3

d)

x = -1 y = 3

15.

Which statements are true? Select ALL that apply.

a)

f(x) = 1x3+1f\left(x\right)\ =\ \frac{1}{x-3}+1

b)

f(x) = 1x+3+1f\left(x\right)\ =\ \frac{1}{x+3}+1

c)

The domain is all real numbers except -3

d)

The range is all real numbers except 1

e)

This function is reflected over the x-axis.

16.

Write the equation for the graph.

a)

y=1x12y=\frac{1}{x-1}-2

b)

y=1x+1+2y=\frac{1}{x+1}+2

c)

y=1x+12y=\frac{1}{x+1}-2

d)

y=1x2+1y=\frac{1}{x-2}+1

17.

Write the equation for the graph.

a)

y=1x+2+1y=\frac{1}{x+2}+1

b)

y=1x+21y=\frac{1}{x+2}-1

c)

y=1x2+1y=\frac{1}{x-2}+1

d)

y=1x21y=\frac{1}{x-2}-1

18.

How does the graph of g(x)=1x+4g\left(x\right)=\frac{1}{x+4}  compare to the graph of  f(x)=1xf\left(x\right)=\frac{1}{x}  ?  

a)

It is located 4 units higher.

b)

It is located 4 units to the right.

c)

It is located 4 units to the left.

d)

It is 4 times taller.

19.

Which is the graph of the rational equation: y=1x2y=-\frac{1}{x-2}  

a)
b)
c)
d)
20.

What is the domain of the function f(x)=1x+23f\left(x\right)=\frac{1}{x+2}-3  ?

a)

 (,2)(2,)\left(-\infty,-2\right)\cup\left(-2,\infty\right)  

b)

 (, 2)(2,)\left(-\infty,\ 2\right)\cup\left(2,\infty\right)  

c)

 (,3)(3,)\left(-\infty,-3\right)\cup\left(-3,\infty\right)  

d)

 (, 3)(3,)\left(-\infty,\ 3\right)\cup\left(3,\infty\right)  

21.

Which function matches this graph?

a)

f(x)=1x1+2f\left(x\right)=\frac{1}{x-1}+2

b)

f(x)=1x+21f\left(x\right)=\frac{1}{x+2}-1

c)

f(x)=1x+1+2f\left(x\right)=\frac{1}{x+1}+2

d)

f(x)=1x2+1f\left(x\right)=\frac{1}{x-2}+1

22.

What is the interval of increase of this function?

a)

(1, ∞)

b)

None

c)

(2, ∞)

d)

(-∞, ∞)

23.

Select ALL the statements that are true for the function:

 f(x) = x2f\left(x\right)\ =\ -\sqrt{x}-2  

a)

The interval of decrease is  (0, )\left(0,\ \infty\right)  

b)

The domain is  [0, )\left[0,\ \infty\right)  

c)

The range is  (, 2]\left(-\infty,\ -2\right]  

d)

The range is  [2, ]\left[-2,\ \infty\right]  

e)

The interval of decrease is  (2, )\left(-2,\ \infty\right)  

24.

What is the range of:

 f(x) = x+42f\left(x\right)\ =\ \sqrt{x+4}-2  

a)

 [2,)\left[2,\infty\right)  

b)

 ( 2)\left(-\infty\ -2\right)  

c)

 [2, )\left[-2,\ \infty\right)  

d)

 [4, )\left[-4,\ \infty\right)  

25.

Identify the domain:

 y=1x6+3y=-\frac{1}{x-6}+3  

a)

 (, 6)(6, )\left(-\infty,\ -6\right)\cup\left(-6,\ \infty\right)  

b)

 (, 6)(6, )\left(-\infty,\ 6\right)\cup\left(6,\ \infty\right)  

c)

 (, 3)(3, )\left(-\infty,\ 3\right)\cup\left(3,\ \infty\right)  

d)

 (, )\left(-\infty,\ \infty\right)  

26.

Which of the following the is the equation of the function graphed?

a)

f(x) = x21f\left(x\right)\ =\ \sqrt{x-2}-1

b)

f(x) = x+21f\left(x\right)\ =\ \sqrt{x+2}-1

c)

f(x) = x12f\left(x\right)\ =\ \sqrt{x-1}-2

d)

f(x) = x21f\left(x\right)\ =\ -\sqrt{x-2}-1

27.

Which of the following is the equation of the function that is graphed?

a)

f(x) = ∛(x - 1)

b)

f(x) = - ∛(x + 1)

c)

f(x) = ∛(x) + 1

d)

f(x) = -∛(x) +1

28.

Which of the following equations is the function that is graphed?

a)

f(x) = 1x+4+1f\left(x\right)\ =\ \frac{1}{x+4}+1

b)

f(x) = 1x4+1f\left(x\right)\ =\ -\frac{1}{x-4}+1

c)

f(x) = 1x4+1f\left(x\right)\ =\ \frac{1}{x-4}+1

d)

f(x)=1x+4+1f\left(x\right)=-\frac{1}{x+4}+1

29.

Which of the following is the equation of the function that is graphed?

a)

f(x) = x+55f\left(x\right)\ =\ \sqrt{x+5}-5

b)

f(x) = x+55f\left(x\right)\ =\ -\sqrt{x+5}-5

c)

f(x) = x55f\left(x\right)\ =\ \sqrt{x-5}-5

d)

f(x) = x55f\left(x\right)\ =\ -\sqrt{x-5}-5

30.

What is the vertical asymptote of the function: f(x) = 1x+26f\left(x\right)\ =\ \frac{1}{x+2}-6  

a)

x = -2

b)

x = 2

c)

y = -6

d)

y = 6