what is the derivative f'(a) if the function is f(x)=8x and point a is a=-3

Answer:
f(x) = 3x+5(2x-3)3
x = 1
Use PEMDAS method
f'(x) = 3x+(5*3)(2x-3)
f'(x) = 3x+15(2x-3)
f'(x) = 3x+30x-45
Combine like terms
f'(x) = (3x+30x)-45
f'(x) = 33x-45
f'(x) = 33-0
I don't know if that