Define and Evaluate Functions

Which of the following is a function.

• Graph A

• Graph B

• Graph C

• Graph D

Which of the following is a function?

• Mapping A

• Mapping B

• Table C

• Table D

Is the table above a function?

• This is a Function

• This is Not a Function

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

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

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

What is x if
f(x) = -2?

• 4

• 0

• 3

• 8

What is f(8)? 

• 8

• 0

• 3

• -2