SOLUTION: Inverse of f(x)=2x+7

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Question 984210: Inverse of f(x)=2x+7
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
to find an inverse of f%28x%29=2x%2B7, first recall that f%28x%29=y

y=2x%2B7 now swap x and y
x=2y%2B7....solve for y
x-7=2y
%28x-7%29%2F2=y
so, inverse is:
f%5E-1%28x%29=%28x-7%29%2F2

+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10+%2C2x%2B7%2C+%28x-7%29%2F2%29+