AnswersOC27 MATH COLL ALGEBRA-1200710-S1-Degele-VOL7006PLinear Functions

Linear Functions Answers

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Which graph shows a linear function?

A
Option
Option A
B
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Option B
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Option C
D
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Option D
2
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Which equation is represented by the graph below?

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A
y = –2x + 2
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Option B
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D
y = 2x + 4
3

Tickets for the school play sell for $4 each. Which graph shows the relationship between the number of tickets sold (x) and the total income from the tickets (y)?

A
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Option A
B
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Option C
D
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Option D
4

What is the slope of the equation ?

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A
–7
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D
5
5

The cost to rent skis at a local sporting goods store is $15 plus $20 per day. Which equation models the relationship between the total cost to rent, c, and the length of the rental in days, d?

A
c = (15 + 20)d
B
c = 15d + 20
C
c = 20d + 15
D
c = (15 + d)20
6

Which table shows a linear function?

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Option A
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Option B
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Option D
7

Which function is graphed on the coordinate plane below?

Question illustration
A
f(x) = 2x – 6
B
f(x) = 2x + 6
C
f(x) = –2x + 6
D
f(x) = –2x – 6
8

If f(x) is a linear function, what is the value of n?xf(x)–4–25–1–10n20

A
2
B
4
C
5
D
9
9

If f(x) is a linear function and the domain of f(x) is the set of all real numbers, which statement cannot be true?

A
The graph of f(x) has zero x-intercepts.
B
The graph of f(x) has exactly one x-intercept.
C
The graph of f(x) has exactly two x-intercepts.
D
The graph of f(x) has infinitely many x-intercepts.
10

If f(x) is a linear function, which statement must be true?

A
f(x) has no constant term.
B
f(x) has no x2-term.
C
f(x) has no terms with a coefficient other than 1.
D
f(x) has no x-term.

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