Graphs Inverses

Use the horizontal line test to determine if the function has an inverse function.

• yes

• no

Use the horizontal line test to determine if the function has an inverse function.

• yes

• no

Use the horizontal line test to determine if the function has an inverse function.

• yes

• no

What's the best description?

• Not inverses, and both are functions

• Inverses, and they are not both functions.

• Not inverses, and they are not both functions.

• Inverses, and both are functions

Which graph shows inverse functions?

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• 
• 
• 

Is the inverse of this a function?

• No

• Yes

Is the inverse of this a function?

• Yes

• No

Find the inverse

• f^-1(x) = 2x+16

• f^-1(x) = 2x-16

• f^-1(x) = 2x - 8

• f^-1(x) = x + 16

A function has an inverse function if...

• It passes the Vertical Line Test

• It fails the Horizontal Line Test

• It passes the Horizontal Line Test

• It fails the Vertical Line Test

Are the relations inverses?

• yes

• no