Evaluate Functions

If f(x) = 5 + 4(x – 4)²,

what is f(7)?

• 81

• 29

• 41

• 54

Which ordered pair is a solution to the equation below?

• (2, -3)

• (1, 3)

• (1, -3)

• (6, 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

Evaluate f(-2) if f(x) = x+3

• -1

• 1

• 5

• -5

Given 
f(x)= 2x² + 5x - 17, find f(-1). 

• f(-1) = -20

• f(-1) = -24

What is the range of the relation shown on the mapping diagram?

• R:{3, 5, 8}

• R:{-7, 11}

• R:{3, 5, 8, 12}

• R:{all real numbers}

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

What is f(2)?

• -4

• 8

• 0

• 5