ALG 1B: Unit 7 Review

Which of the following maps represent functions?

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Tags

CCSS.8.F.A.1

The following tables represent relations.

Which of the tables also represent a function?

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Tags

CCSS.8.F.A.1

Which of the following images are graphs of functions?

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Which statement describes the domain of the function?

• −3 ≤ x ≤ 3

• x can be any real number.

• y can be any real number.

• −9 ≤ y < ∞

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which statement describes the range of the function?

• −3 ≤ x ≤ 3

• x can be any real number.

• y can be any real number.

• −9 ≤ y < ∞

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the value of f(3) for the function f(x)=4x−1?

• f(3) = 3

• f(3) = 11

• f(3) = 12

• f(3) is not within the domain of the function.

Tags

CCSS.HSF.IF.A.2

What is f(x) when x = 1?

• f(1) = -7

• f(1) = -1

• f(1) = 0

• f(1) = 1

Tags

CCSS.HSF.IF.A.2

Use the following table to answer the question.

Which function rule defines g(x)?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Gabriel earns $11.25 per hour at his job. He also receives a bonus of $20 each week if he arrives on time for each of his shifts.

Assuming Gabriel is always on time, and x is the number of hours he works, which rule for f(x) models his weekly paycheck?

• f(x) = 31.25x

• f(x) = 11.25x

• f(x) = 11.25x + 20

• f(x) = 20x + 11.25

Tags

CCSS.HSF-BF.A.1A