K
The signs within the intervals bounded by the critical points are given below.
0
2
O A. IV only
B. I, II, and IV only
OC. I, II, III, and IV
OD. I and IV only
OE. II and III only
signs of f
S
Which statement(s) about f must be true?
I) f has a relative extrema at x = -3, 0 and 2.
II) f has the inflection points at x = -3 and 0.
III) the graph of f is concave down from - 3 IV) f has a relative maximum at x = -3.