Algebra Review

Given the function f(x) = 3x - 7, find the value of f(-2).

• f(x) = -2

• f(x) = -1

• f(x) = -4

• f(x) = -13

Find k(5) for the function k(t) = t² + 4.

• k(t) = 29

• k(t) = 9

• k(t) = 14

• k(t) = 0

Given the function g(n) = 3n + 1, find g(n + 4).

• g(n) = 3n + 5

• g(n) = n + 12

• g(n) = 3n + 13

• g(n) = 8

Which graph is NOT a function?

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What is the domain for the graph pictured?

• all real numbers

• [0, ∞)

• (∞, 0]

• This graph doesn't have a domain.

What is the range of the graph pictured?

• all real numbers

• [0, ∞)

• (∞, 0]

• This graph doesn't have a range.

Which represents the range for this set of numbers?

{ (6, 8), (-2, 5), (9, -10), (0, 3) }

• {8, 5, -10, 3}

• {6, -2, 9, 0}

• I should've paid more attention in class! 😉

Which of the following relations represent a function?

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Given the graph of the function g(x), find g(4).

• 5

• 4

• 3

• 2

Given the graph of f(x), find f(2).

• 2

• 3

• 4

• 5