The function, f(a), defined in this graph has: inflection points at a - 3.05, 5.95, 7.35, 9.65 and extrema at a = 0.85, 7.95 f(x) (i) f (a) is concave up over (3.05, 5.95). O a ) (ii) f ( ae) is concave up over (7.35, 9.65). (iii) f (a) is not strictly concave up or down over (0.85, 7.95). (i) f (a) is concave up over (3.05, 5.95). O b) (ii) f (a) is not strictly concave up or down over (5.95, 7.35). (iii) f ( a) is not strictly concave up or down over (0.85, 7.95). (i) f (a) is not strictly concave up or down over (7.35, 9.65) O C ) (ii) f (a) is concave down over (5.95, 7.35). (iii) f (ze) is not strictly concave up or down over (0.85, 7.95). (i) f(a) is concave up over (3.05, 5.95). O d) (ii) f (a) is concave up over (7.35, 9.65) (iii) f (a) is not strictly concave up or down over (5.95, 7.35)