Derivative with function

Question

Let f(x) = x^2 − 16x + 64.
(a) Find the derivative f ' of f.

Answer 1

f(x) = x² − 16x + 64

 

f'(x) = d(x²)/dx - d(16x)dx + d(16)/dx

 

Apply the power rules to each term:

 

f'(x) = 2x - 16