Find the intervals in which the following functions are strictly increasing or decreasing:
(a) – 2x3 – 9x2 – 12x + 1
(b) (x + 1)3 (x – 3)3
Verified Answer
(a) f (x) = −2x3 − 9x2 − 12x + 1
(b)f(x) = (x + 1)3 (x − 3)3
Find the intervals in which the following functions are strictly increasing or decreasing:(a) – 2x3 – 9x2 – 12x + 1 (b) (x + 1)3 (x – 3)3 | Shiksha Nation
