The following are a selection of graphs of functions y = = f(x). Which one of them satisfies the conditions: f'(1) < 0, f'(1) > 0 and " (x) > 0 for all x ? 10 O -10 A 5- -5 0. -5 -10 5 -x 10 A 10 5- -10 -5 0. 5 10 -5- -10 110 15 x -10 -5 0. 5 10 -5- x -10 -5 A 10- 5 0 -5- -10 A 10 5 -10 -5 0 18 -5 5x X 10 xst 5 10 O -10 -5 A 10- 5 15 10 5x 10