(Choose 1 answer)
(See picture)
A. (i)
B. None of the other choices is correct
C. (iii)
D. (ii)
E. (iv)
Determine where the function f(x) = 2x3+9x² + 12x is concave up and where it is concave down.
(i) Concave up on (-0, 3/2), concave down on (3/2,00)
(ii) Concave down on (-0,-3/2), concave up on (-3/2,00)
(iii) Concave up on (-0,-3/2), concave down on (-3/2,00)
(iv) Concave down on (-0, 3/2), concave up on (3/2,00)
Exit 45
