OVS - MCV4U iii. Circle the interval(s) where f "(x) is positive. a) (-infinity, 0), (2, 4) b) (-infinity, 1), (3, 4.5) c) (1, 3), (4, 4.5) d) (3, 2), (2, 5) iv. Circle the interval(s) where f"(x) is negative. a) (-infinity, -3), (4.5, 6) b) (0, 2), (4, 4.5), (4.5, 6) c) (-infinity, 1), (3, 4.5), (5, 6) d) (-infinity, -3), (4.5, 6) v. Which x value(s) correspond to absolute maximums. a) 0 b) 4 c) 0 & 4 d) None\f