Problem (3) (15 points) Find y' by direct differentiation (with respect to z). (a) y = (x³ + x² - 10x + 3)4 (b) y = 25 sin(x² + 1) (c)

y = ³+tan(z) e²+1 (e) y = 5exp(-x² + 1) = 5e-¹²+1 (d) yIn(sin²(x) + 3)