Functions Mixed Practice

Does this mapping diagram represent a function?

• No, because an input value goes to multiple output values
• Yes, because each input goes to one and only one output

Tags

CCSS.8.F.A.1

Which set of values is a function?

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

Tags

CCSS.8.F.A.1

f(x)=4x+5
f(4)=

• 21
• -11
• -31
• 25

Tags

CCSS.HSF.IF.A.2

f(x) = 3x² - 11
Find f(-5)

• f(-5) = 64
• f(-5) = -86
• f(-5) = 214
• f(-5) = -7

Tags

CCSS.HSF.IF.A.2

Evaluate f(x)=-2x+13   for f(10)

• -7
• 1
• -8
• 7

Tags

CCSS.HSF.IF.A.2

Using the pictured graph, what is f(-3)? 

• -3
• -1
• 1
• 3

Tags

CCSS.HSF.IF.A.2

What is g(7) if:

• -17
• -13 
• 13       
• 17

Tags

CCSS.HSF.IF.A.2

What is m(-3) if:    

• -3
• 0.5
• 3
• -3.5

Tags

CCSS.HSF.IF.A.2

What is the domain of the graph?

• 1≤ x ≤ 4
• 1 < x < 4
• 1≤ y ≤ 4
• 1 < y < 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Find f(-2)

• -3
• 6
• 8
• -6

Tags

CCSS.HSF.IF.A.2