Isaiah W.

asked • 06/26/21

A graph of the function is given

A graph of a function f is given.

WebAssign Plot

Does f have an inverse?

YesNo    


If so, find the following. (If an answer does not exist, enter DNE.)

f −1(0)  = 
f −1(8)  = 

Need Help? 


Mark M.

All functions have inverses. Not all inverses are functions. Do you know how to determine the inverse of a function?
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06/26/21

Brenda D.

tutor
Agreed. Hopefully the student can look up inverse functions in their text or online read about them, then apply the information. One must read the math.
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06/26/21

Kathryn W.

tutor
Not all functions have an inverse unless it is one-to-one. y = x^2 is a function but it is not one-to-one. It must pass the vertical and horizontal line test to have an inverse. For things like y = x^2 that is a function but not one-to-one, restrictions are applied such as restricting the domain to x>=0. Or for y=sin(x) restricting it to domain from [-pi/2 , pi/2]
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06/26/21

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