Thread: functions

if f:R-R is given by f(x)=(x+3)/2 and g:R-R given by g(x)=2x-3 is f(inverse)=g

Well, swap the and in , and see if you can rearrange it to get .

Or more fundamentally, use the definition of "inverse function". Are f(g(x))= x and g(f(x))= x for all x?