Review of Inverse Function Basics

Which graph shows the inverse of the graph above?

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Which graph shows inverse functions?

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What does it mean to find the inverse of a function?

• the x's and y's are switched
• the x's and y's are divided by 2
• the x's and y's are made negative
• the x's and y's are the same

Are these functions inverses?

• No

• Yes

Are these functions inverses?

• Yes
• No

Graph the inverse

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What is the inverse of the points
(1,3)(2,4)(6,8)

• (3,1)(4,2)(8,6)
• (-3,-1)(-4,-2)(-8,-6)
• (1,3)(2,4)(6,8)
• (-1,-3)(-2,-4)(-6,-8)

Are these inverse functions?

• no
• yes
• no way to tell

Are the blue and red graphs inverse functions?

• Yes, the functions reflect over y = x

• No, they do not reflect over the x - axis.

• No way to tell from a graph

Which is the inverse of the table?

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