Unit 3: Functions Review

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values paired with it.

• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two different y-values paired with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

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

Is this graph a function or not a function? 

• Function 
• Not a Function

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

What is x if

f(x) = -1?

• 4

• 0

• 3

• 6

Tags

CCSS.HSF.IF.A.2

What is the range of the graph?

• [-4, 3]

• [3, -3]

• [-2, 10]

• (-2, 10)

Tags

CCSS.HSF-IF.C.7A

What is the domain of the graph?

• [-3, 3]

• [3, -3)

• [-2, 10]

• [-3, 10]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

g(x) = 10 - x
Find g(x) = -7 

• 4
• 17
• 18
• -77

Tags

CCSS.HSF.IF.A.2

f(x)=x² - 5x
f(-4)=

• -4
• 4

• 36

• -1`2

Tags

CCSS.HSF.IF.A.2