AnswersAlgebra IIFunctions: Part Four

Functions: Part Four — Test Answers

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21
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Which equation is represented by the graph?

A
y is equal to natural log x minus 3
B
y is equal to e to the x th power minus 3
C
y is equal to e to the x th power minus 4
D
y is equal to natural log x minus 4
22
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What is the domain of the graphed function?

A
left bracket negative 2 comma 0 right bracket and open paren 7 comma infinity close paren
B
open paren negative 2 comma infinity close paren
C
left parenthesis negative 2 comma 4 right bracket and left bracket 7 comma infinity right parenthesis
D
open paren negative infinity comma 4 close paren
23

What are the domain and range of the step function?

A
domain = {all integers}, range = {all real numbers}
B
domain is equal to dot dot dot minus 5 comma negative 2 comma 1 comma 4 comma dot dot dot , range is equal to dot dot dot minus 4 comma negative 1 comma 2 comma 5 comma dot dot dot
C
domain = {all real numbers}, range = {all real numbers}
D
domain = {all real numbers}, range is equal to dot dot dot minus 4 comma negative 1 comma 2 comma 5 comma dot dot dot
24

Which function is shown in the graph?

A
y is equal to 1 half raised to the x minus 3 power plus 1
B
y is equal to 1 half raised to the x plus 3 power minus 1
C
y is equal to 1 half raised to the x minus 1 power plus 3
D
y is equal to 1 half raised to the x plus 1 power minus 3
25

If all city buses carry the same number of passengers, what is the least number of buses needed to carry 710 passengers?

A
12
B
10
C
11
D
5

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Functions: Part Four — Test Answers — Algebra II