Calculus Please help

Question

1. Find the derivative for the function 

Answer 1

f(x) = 2e^x - 8^x

f'(x) = 2e^x - (8^x)ln8

e^x has itself as the derivative

(e^x)' = e^x

8^x follows the general rule: (p^x)' = (p^x)lnp with p=8