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avatar+4690 

#12 Help.

 Feb 6, 2018
 #1
avatar+589 
+1

I believe that the inverse is f^-1(x) = -4 + x / 3

 Feb 6, 2018
 #2
avatar+16286 
+1

Repace 'y' with 'x'    and 'x' with 'y'  then sove for 'y'

x= 3y+12

x-12 = 3y

y = (x-12)/3    is the inverse

 Feb 6, 2018
 #3
avatar+95883 
+1

The above answers are identical...

 

-4 + x/3  =

 

-12/3 + x/3   =

 

[ x - 12 ]  / 3

 

 

 

cool cool cool

 Feb 6, 2018

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