Question 4 Select the derivative of the following function from the list below. f(z) = I' + 9x + 2 3x2 + 1 None of the other responses. O (2z + 9)(61) (3x2 + 1)2 27+9 O (x2 + 91 + 2) (6x) - (21 + 9) (312 + 1) (3x2 + 1)2 27 49 (62) 2 O (2r + 9) (3x2 + 1) - (12 + 9.1 + 2) (61) (3x2 + 1)2