Question

If f(x) = (x+2)/(2), then what is f–1(x)

Answer 1

f(x) = x^2 /(x-2)

We know that if f= u/v , then f'= (u'v-uv')/v^2

Now we will assume that:

u= x^2 ==> u'=2x

v= x-2 ==> v' =1

Then f'(x) = [2x(x-2)-...

Answer 2

y = x + 2 / 2

isolate x