Kizspy | Question: 73
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)E. None of the other choices is correct
FUOVERFLOW
Determine where the function f(x) = x3 + 3x2 - x 24 is concave up and where it is concave down.
(i) Concave up on (-∞,∞)
(ii) Concave down on (-1,∞) and concave up on (-∞,-1)
(iii) Concave up on (-1,∞) and concave down on (-∞,-1)
(iv) Concave down (-∞, ∞)