SOLUTION: find the inverse if exist find f(x)=-3x+6

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Question 1185534: find the inverse if exist find f(x)=-3x+6






Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
find the inverse if exist find f(x)=-3x+6
y = f(x)
write it
y = -3x + 6
swap x and y and solve for y
x = -3y + 6
x + 3y = 6
3y = -x + 6
divide eq by 3
y = -1%2F3x + 2
f%28x%5E-1%29 = -1%2F3x + 2