Question

help

f(x)= 3e^x-8x
f '(x)=

Answer 1

f ' (x) = 3* (e^x) ' - 8* (x) ' = 
        = 3* e^x - 8 * 1 = 3e^x - 8 . 

Answer 2

f'(x) = 3(e^x)'-8(x)'
f'(x) = 3 * e^x - 8 * 1
f'(x) = 3e^x-8