Are the Graph Inverses?

Is the inverse of this a function?

• Yes

• No

When two functions are inverses of each other, their graphs are reflective over...

• y=x

• x-axis

• y-axis

Graph the inverse (Hint: look at y=x)

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Are the blue and red graphs inverse functions?

• yes

• no

• no way to tell

Which graph represents the functions f(x) and f^-1(x)?

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Which graph represents the functions f(x) and f^-1(x)?

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Graph the inverse

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To graph the inverse of a function...

• Rotate it around the origin

• Reflect it across the x-axis

• Reflect it across the y-axis

• Switch the x and y coordinates and plot the new points

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 these the graphs of two inverse functions?

• Yes

• No

• No way to tell