For the function f(@ ) defined in the graph, the function f( * ) is: 10 (0) increasing over ( 6, 7). O a) (it) decreasing over ( 8, 9). (iii) neither strictly increasing nor strictly decreasing over ( 7, 8). D increasing over ( 6, 7). o b) (it) neither strictly increasing nor strictly decreasing over ( 8, 9). (iii) neither strictly increasing nor strictly decreasing over ( 9, 10). (0) neither strictly increasing nor strictly decreasing over ( 2, 5). (ii) decreasing over ( 8, 9). (ili) neither strictly increasing nor strictly decreasing over ( 9, 10). (0) increasing over (6, 7). d) (if neither strictly increasing nor strictly decreasing over ( 5, 6). (iii) increasing over ( 7, 8)