AnswersVOA Math MN-Algebra I with Quadratics CR 2BLinear 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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Consider the function given by the graph. What are these values?

Question illustration
Answers:
f:2
f:3
f:-1
3

Question text not available

Answer:

3

4

Question text not available

Answer:

-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) = StartLayout enlarged left-brace 1st Row 1st column negative 3.5 x + 0.5, 2nd column x less-than 1 2nd row 1st column 8 minus 2 x, 2nd column x greater-than-or-equal-to 1 EndLayout ?

Question illustration
A
[Image: A 2-column table has 3 rows. The first column is l...]
Option A
B
[Image: A 2-column table has 3 rows. The first column is l...]
Option B
C
[Image: A 2-column table has 3 rows. The first column is l...]
Option C
D
[Image: A 2-column table has 3 rows. The first column is l...]
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) = StartLayout enlarged left-brace 1st Row 1st column 2 x + 2, 2nd column x less-than negative 3 2nd row 1st column x, 2nd column x greater-than negative 3 3rd Row 1st column negative x minus 2, 2nd column x greater-than negative 3 EndLayout y = –6y = –4y = –3y = 0y = 1y = 3

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) = StartLayout enlarged left-brace 1st Row 1st column negative x + 4, 2nd column 0 less-than-or-equal-to x less-than 3 2nd row 1st column 6, 2nd column x greater-than-or-equal-to 3 EndLayout ?

Question illustration
A
[Image: On a coordinate plane, a piecewise function has 2 ...]
Option A
B
[Image: On a coordinate plane, a piecewise function has 2 ...]
Option B
C
[Image: On a coordinate plane, a piecewise function has 2 ...]
Option C
D
[Image: On a coordinate plane, a piecewise function has 2 ...]
Option D

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