SOLUTION: Find the inverese of the function f(x) = 4x+2 over 3

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Question 1015990: Find the inverese of the function
f(x) = 4x+2 over 3
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
For f%28x%29+=+%284x%2B2%29%2F3
we do it like this
y+=+%284x%2B2%29%2F3
Switch x and y and solve for y again...
x+=+%284y%2B2%29%2F3
3x+=+4y+%2B+2
3x+-+2+=+4y
y+=+%281%2F4%29%283x+-+2%29
then put f^-1(x) in for y...we get
f%5E-1%28x%29+=+%281%2F4%29%283x+-+2%29