AnswersFL-1200710-Mathematics for College Algebra AModeling with Systems of Linear Inequalities

Linear Piecewise Defined Functions Answers

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3

The graph of the piecewise function f(x) is shown.

Question illustration
A
{f(x)| –∞ <f(x) < ∞}
B
{f(x)| –∞ <f(x) ≤ 4}
C
{f(x)|4<f(x)<∞}
D
{f(x)|0≤f(x)<∞}
7

Which times and distances are represented by the function? Select three options.

A
The starting distance, at 0 hours, is 300 miles.
B
At 2 hours, the traveler is 725 miles from home.
C
At 2.5 hours, the traveler is still moving farther from home.
D
At 3 hours, the distance is constant, at 875 miles.
E
The total distance from home after 6 hours is 1,062.5 miles.
9

The graph of the piecewise function f(x) is shown.

Question illustration
A
{x | −2 ≤ x < 4}
B
{x | −2 < x ≤ 4}
C
{y | −5 < y < −1}
D
{y | −5 ≤ y ≤ −1}
10

The function h(x) is defined as shown.h(x) =

Question illustration
A
–∞ < h(x) < ∞
B
h(x) ≤ 5
C
h(x) ≥ 5
D
h(x) ≥ 3

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