to the skipped part. utorial Exercise Use the General Power Rule to find the derivative of the function. f(x) = (6x - x2)3 Step 1 The Power Rule states that if y = [u(x)]", where u is a differentiable function of x and n is a real number, dy = x [u(x)]n - 1du dx f(8 (x ) ) dx Submit Skip (you cannot come back)