Intro to Functions

What is the value of f(7) if f(x) = 5x?

• 35

• 28

• 42

• 49

What is the value of f(9) if f(x) = x + 13?

• 22

• 18

• 20

• 24

What is the value of f(4) if f(x) = 3x - 1?

• 10

• 11

• 12

• 13

What is the value of f(-7) if f(x) = 8x + 15?

• -41

• -29

• -23

• -9

What is the value of f(153) if f(x) = 4x - 1?

• 611

• 612

• 613

• 614

What is the value of f(-12) if f(x) = 2x + 15?

• -9

• -3

• 3

• 9

What is the value of f(9) if f(x) = 5x - 16?

• -31

• -21

• 29

• -1

What is the value of f(4) if f(x) = 6x - 4?

• 20

• 22

• 24

• 26

What is the value of f(-2) if f(x) = 7 + 3x?

• 1

• 4

• 7

• 10

What is the value of f(1) if f(x) = 7x?

• 1

• 3

• 5

• 7