SOLUTION: determine their inverse function: f(x)=3x+5

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Question 1190099: determine their inverse function:
f(x)=3x+5
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

f%28x%29=3x%2B5
inverse
recall that f%28x%29=y
y=3x%2B5.......swap variables
x=3y%2B5......solve for y
x-5=3y
y=%28x-5%29%2F3
y=x%2F3-5%2F3
your inverse is f'%28x%29=x%2F3-5%2F3