Find g'(4) given that f(4)=5 and f'(4)=1 and g(x)=f(x)/x. Posted on April 19, 2017 by admin Find g'(4) given that f(4)=5 and f'(4)=1 and g(x)=f(x)/x. Find g'(4) given that f(4)=5 and f'(4)=1 and g(x)=f(x)/x.