AnswersMathematics IINonlinear Functions

Nonlinear Functions — Test Answers

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21
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How do the functions in the tables compare?

A
The rockets traveled the same height in the air, but the rocket for group B was in the air for a longer time.
B
The rockets were in the air for the same amount of time, but the rocket for group B went higher in the air.
C
Since the maximums occurred at the same x -value, the rockets followed the same path.
D
Since the x -intercepts are the same for both functions, the rockets followed the same path.
22
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What is the value of f of 1 ?

A
0
B
2
C
1
D
4
23

Which function is represented by the graph?

A
f of x is equal to negative x plus 3 when x is less than or equal to 0; f of x is equal to 3 when x is greater than 0
B
f of x is equal to x minus 3 when x is less than 0; f of x is equal to 3 when x is greater than or equal to 0
C
f of x is equal to negative x minus 3 when x is less than or equal to 0; f of x is equal to 3 when x is greater than 0
D
f of x is equal to x plus 3 when x is less than 0; f of x is equal to 3 when x is greater than or equal to 0
24

What is the domain for the piece of the function represented by f of x is equal to x plus 1 ?

A
x is less than negative 1
B
1 is less than or equal to x comma x is less than 2
C
negative 1 is less than or equal to x comma x is less than or equal to 1
D
x is greater than 1
25

Which characteristics do the functions have in common? Choose two correct answers.

A
range
B
x -intercept
C
minimum
D
domain
E
y -intercept

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