# SOLUTION: this is on pg 386 #14 if f(x)= -2x+7, find the inverse of f i'm not sure how to do this

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 Click here to see ALL problems on Rational-functions Question 75969This question is from textbook College Algebra : this is on pg 386 #14 if f(x)= -2x+7, find the inverse of f i'm not sure how to do thisThis question is from textbook College Algebra Answer by 303795(602)   (Show Source): You can put this solution on YOUR website!The inverse function uses f(x) to find x. f(x)= -2x+7 Rearrange the function to isolate x. Firstly subtract 7 from each side. f(x)-7 = -2x+7-7 f(x)-7 = -2x Now divide each side by -2 (f(x)-7)/-2 = -2x/-2 (f(x)-7)/-2 = x x=(f(x)-7)/-2 This could be rearranged to give the following if you preferred. x=(7-f(x))/2