Wednesday, May 21, 2014

What is the inverse function of (2x-1)/(x-3)

y=%282x-1%29%2F%28x-3%29
y%28x-3%29=%28x-3%29%282x-1%29%2F%28x-3%29
xy-3y=2x-1
xy-2x=3y-1
x%28y-2%29=3y-1

x=%283y-1%29%2F%28y-2%29
so the inverse function is:

g%28x%29=%283x-1%29%2F%28x-2%29
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