AnswersAlgebra III ALinear Piecewise Defined Functions

Linear Piecewise Defined Functions Answers

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Which values are within the domain of the function? Check all that apply.

A
x = –6
B
x = –4
C
x = –2
D
x = 0
E
x = 2
F
x = 4
2
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3

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4

Consider the function given by the graph. What are these values? f(–2 ) = f(0) = f(4) =

Answers:
Part 1:2
Part 2:3
Part 3:-1
5

Which value represents f(3)?

A
–11
B
8
C
12.5
D
16
6

Which table represents the second piece of the function f(x) = ?

Question illustration
A
Option A
B
Option B
C
Option C
D
Option D
7

Which piecewise function is shown in the graph?

A
f(x) =
Option A
B
f(x) =
Option B
C
f(x) =
Option C
D
f(x) =
Option D
8

Lucy needs to buy some organic apples, and her grocery store is having a sale on them. If she buys 3 or fewer pounds of apples, the price will be $1.50 per pound. If she buys more than 3 pounds of apples, the price is $1.10 per pound. What is the domain of the piecewise-defined function, where x represents the number of pounds of apples?

A
{x| x ≥ 0}
B
{x| x is a real number}
C
{x| 0 ≤ x ≤ 3}
D
{x| x ≥ 3}
9

Which values are within the range of the piecewise-defined function?f(x) =

Question illustration
A
y = –6
B
y = –4
C
y = –3
D
y = 0
E
y = 1
F
y = 3
10

Which graph represents the piecewise-defined function f(x) = ?

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

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