AnswersAdvanced Algebra Concepts and Connections_TC_Online LearningUnit Test

Graphing Exponential Functions Answers

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1
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Use the graph of the function y = 4x to answer the following questions.

Answers:
The domain of the function is to because an exponent can be any real number.:negative infinity
The domain of the function is to because an exponent can be any real number.:positive infinity
2
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negative infinityzeropositive infinity

A
negative infinity
B
zero
C
positive infinity
3

negative infinityzeropositive infinity

A
negative infinity
B
zero
C
positive infinity
4

negative infinityzeropositive infinity

A
negative infinity
B
zero
C
positive infinity
5

d = [___] e = [___] f = [___]

Answer:

4/9

6

d = [___] e = [___] f = [___]

Answer:

16/81

7

a = [___] b = [___] c = [___]

Answer:

1

8

Identify the horizontal asymptote of each graph.

Question illustration
A
y = 0
B
y = 1
C
y = 6
9

Identify the domain and range of each function.

Answers:
The domain of this function is .:negative infinity to infinity
10

b =

Answer:

1/2

11

How does the graph of y = 3x compare to the graph of y = 3–x?

A
The graphs are the same.
B
The graphs are reflected across the x-axis.
C
The graphs are reflected across the y-axis.
12

Which graph represents the function ?

Question illustration
A
Option
B
Option
C
Option
13

Which function is graphed on the right?y = 2x+3 – 2y = 2x–3 + 2y = 2x–2 + 3y = 2x–2 – 3

A
y = 2x+3 – 2
B
y = 2x–3 + 2
C
y = 2x–2 + 3
D
y = 2x–2 – 3
14

Use the graph of the function y = 4x to answer the following questions.

Answers:
The domain of the function is to because an exponent can be any real number.:negative infinity
The domain of the function is to because an exponent can be any real number.:positive infinity
15

Complete the tables of values. x 4−x −1 4 0 a 2 b 4 c a = b = c =

Answers:
Blank 1:1
Blank 2:1/16
Blank 3:1/256
16

Identify the horizontal asymptote of each graph.

Question illustration
A
y = 0
B
y = 1
C
y = 6
17

Which statements are true about the graph?

A
The graph shows exponential growth.
B
The graph shows exponential decay.
C
The graph shows reflected over the x-axis.
Option C
D
The graph shows y = 2x reflected over the y-axis.
18

How does the graph of y = 3x compare to the graph of y = 3–x?

A
The graphs are the same.
B
The graphs are reflected across the x-axis.
C
The graphs are reflected across the y-axis.
19

Which graph represents the function ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
20

Which function is graphed on the right?

A
y = 2x+3 – 2
B
y = 2x–3 + 2
C
y = 2x–2 + 3
D
y = 2x–2 – 3

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