Answer:
Lim (f(9+h)-f(9))/h as h->0 = 2916
Step-by-step explanation:
f(x)=x⁴
f'(x)
= Lim (f(9+h)-f(9))/h as h->0
= 4x³
At x = 9, f'(x) = f'(9) = 4*9³ =4*729 = 2916
