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Find the inverse function of f.

f(x) = 2 + sqrt9+x

 Jun 25, 2014

Best Answer 

 #1
avatar+576 
+5

First we should simplify f(x)

f(x)=2+3+x=5+x    Now we want to get rid of the function notation so that the algebra is as friendly as possible

y=5+x

To find an inverse we replace each x with y, replace each y with x, and solve for you as follows

x=5+y

x-5=y

And there is your inverse function!

 Jun 25, 2014
 #1
avatar+576 
+5
Best Answer

First we should simplify f(x)

f(x)=2+3+x=5+x    Now we want to get rid of the function notation so that the algebra is as friendly as possible

y=5+x

To find an inverse we replace each x with y, replace each y with x, and solve for you as follows

x=5+y

x-5=y

And there is your inverse function!

jboy314 Jun 25, 2014

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