WebExample 4: Finding the inverse of a function involving an algebraic fraction. If h (x)=\frac {x-3} {x+2} h(x) = x+2x−3, find h^ {-1} (x) h−1(x). Write out the expression for the original function using a y y instead of the x x. Set this expression equal to x. x. Rearrange the equation to make y y the subject.
E3-L1 How to check your answers with reverse calculations
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