Piecewise Defined Functions — Unit test Answers

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Which of the following represents the solution to the inequality ?

mc018-2.jpg

mc018-3.jpg

[–2, 7]

[1.5, 7.5]

What is the vertex of f(x) = |x + 8| – 3?

(–8, –3)

(–8, 3)

(8, –3)

(8, 3)

The piecewise defined function f(x) is graphed below. What is the value of f(2)?

f(2) = –2

f(2) = –1

f(2) = 4

f(2) is undefined

What is the vertex of the absolute value function below?

(

(–3, –2)

(

(–3, 2)

(

(2, –3)

(

(2, 3)

Which of the following is the parent function of all absolute value functions?

f(x) = 3x

f(x) = |x|

f(x) = 2|x|

Option

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