Essential Math 9/10 Unit 1 Review

Which of these is NOT a way we learned to represent functions?

• Algebra

• Geometry

• Table

• Graph

• Interpretive Dance

If g(x) = -8x + 1, find g(-2).

• -8

• -15

• 17

• 8

Evaluate f(6).

• f(6) = 18

• f(6) = 12

• f(6) = 10

• f(6) = 1

Evaluate f(2).

• f(2) = 5

• f(2) = 12

• f(2) = 10

• f(2) = 0.5

Find f(0)

• - 3
• - 2
• - 1
• 0

Evaluate y = x + 5 when x = 3.

• 8
• 2
• 9
• 6

Evaluate y = 7x when x = -5

• -35
• 35
• 2
• 75

Evaluate y = 4x - 1 when x = 10.

• 39
• 41
• 399
• 38

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Evaluate the function for the given value:

• 1
• -11
• -15
• -1