Find the inverse of the function: f(x)= 2x-3/x+1 I need the steps to solve for y I get stuck after I multiply both sides by y+1

asked Oct 16, 2015 25.4k views

5 votes

Find the inverse of the function: f(x)= 2x-3/x+1

I need the steps to solve for y I get stuck after I multiply both sides by y+1

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3 votes

$f(x)=(2x-3)/(x+1)\\\\ y=(2x-3)/(x+1)\\\\ y(x+1)=2x-3\\\\yx+y=2x-3\\\\yx-2x=-3-y\\\\x(y-2)=-3-y\\\\ x=(-3-y)/(y-2)\\\\ f(x)=(-3-y)/(y-2)$

DaafVader answered Oct 20, 2015

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