Question: 13
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)
E. None of the other choices is correct
Determine where the function
f(x)
=
-x3+10x+4
is concave up and where it is concave down.
(i) Concave down on (-0, 4), concave up on (4,00)
(ii) Concave down on (-00, 0), concave up on (0,00)
(iii) Concave up on (-0, 4), concave down on (4,00)
(iv) Concave up on (-co, 0), concave down on (0,00)
