SOLUTION: if f one-to-one, find an equation for its inverse
f(x)=3x+7
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Question 690415: if f one-to-one, find an equation for its inverse
f(x)=3x+7
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
f(x)=3x+7
y=3x+7
x=3y+7
x-7=3y
(x-7)/3=y
y = (x-7)/3
So the inverse is  = \frac{x-7}{3} "f^{-1}(x) = \frac{x-7}{3}")
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