Question

Derivative of f(x) = x^3 at the point (2, 8)

Answer 1

f'(x) = 12

Explanation:

f(x) = x^3

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

f'(x) = 3x^2

f'(x) = 3(2)^2 ==> Plug in 2 for the x-value

f'(x) = 3(4)

f'(x) = 12