Step Functions — Unit test Answers

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21
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Which statement is true about f(x) = –6|x + 5| – 2?

A
The graph of f(x) is a horizontal compression of the graph of the parent function.
B
The graph of f(x) is a horizontal stretch of the graph of the parent function.
C
The graph of f(x) opens upward.
D
The graph of f(x) opens to the right.
22
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What is the value of ?

Question illustration
A
–5
B
–4.6
C
–4.5
D
–4
23

Which graph represents the following piecewise defined function?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
open circle on parabola at x = -2
Option D
24

Which graph represents the following piecewise defined function?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
25

Given the function f(x) = 2|x + 6| – 4, for what values of x is f(x) = 6?

A
x = –1, x = 11
B
x = –1, x = –11
C
x = 14, x = –26
D
x = 26, x = –14

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Step Functions — Unit test Answers…