"this is a 90 point question" a) f is a increasing on the interval x < 0 b) f is a decreasing on the interval x < 0 c) f is a increasing on the interval 0 < x < 1 d) f is a decreasing on the interval 0 < x < 1 e) f is a increasing on the interval 1 < x < 3 f) f is a decreasing on the interval 1 < x < 3 g) f is a increasing on the interval x > 3 h) f is a decreasing on the interval x > 3 "select all that apply"