Derrivative rules

Question

Consider the functions  f(x) and g(x) for which f(0)=7 g(0)=9 f ' (0)=-7 and g '(0) =2

find h '(0) for the function h(x)=f(x)/g(x)

h '(0)=

my final answer comes to -77/18 but webwork says its wrong help

Answer 1

In the denominator, you calculated 9*2, not 9^2