Function Basics

Which set of values represents y as a function of x?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (6,-5)
• (2, -2) (5, 9) (5, -7) (1, 4)

Evaluate: f(2)?

• -4

• 8

• 0

• 5

Given f(x)=4x+5

What is the value of f(4) =

• 21

• -11

• -31

• 25

Given f(x) = x+3

Find f(-5)

• -2

• -1

• -7

• 7

Given f(x) = x² - 5x

What is the value of f(4) =

• -4

• 126

• 24

• 84

Given f(x) = 2x + 2

What is the value of f(2) =

• 6

• -8

• 10

• 8

Evaluate f(x) = x² for f(-8)

• 64
• -64
• -16
• 16

Tags

CCSS.HSF.IF.A.2

Evaluate f(t)= -2t² + 1 for f(-3)

• 19

• 37

• -17

• -11

Evaluate for f(1)

• 0
• -3
• 3
• 2

Tags

CCSS.HSF.IF.A.2

Evaluate for f(4)

• -3
• 0
• 4
• 7

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1