Find the value of the derivative (if it exists) of f(x) = (x+3)^(4/3) at x=-3.

Question

So I got (4*(x+3)^(1/3))/3 for the derivative and 0 for the final answer.

Answer 1

(4/3)(x+3)^(1/3)
but 0^(1/3) = 0
so right, zero