Evaluating Function Notation Table

If f(x) = x - 5, what is the value of x when f(x) = 15?

• 20

• 10

• 5

• 0

What is the range?

• {-4, -1, 0, 2, 7}

• {-5, -4, -1, 0, 1, 2, 4, 7}

• {-5, 0, 1, 2, 4}

• {5}

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30

What is f(1)?

• 1

• 5

• 0

• 4

Does this mapping diagram represent a function?

• No, because there are repeating input values

• Yes, because there are no repeating input values

Which ordered pair below would prevent this table from being a function?

• (10, 10)

• (2, 4)

• (6, 1)

• (-2, 0)

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

Translate the coordinate pair into function notation.

What is the value of f(0)?

• -2

• 2

• 4

• 0

If f(x)=6x²-4,
what is f(-1)?

• -2

• 13

• 2

• 0