7-5 (D) 7≤ x ≤8 3-6 = -3 3-7 10. Selected values of the functions k, m, and p are given in the tables below. For each funct determine if the function could be concave up, concave down, or neither over its domain. a) b) c) X k(x) x m(x) X p(x) 1 4 1 1 1 1 1.1 1 1.1 4 1.1 7 1.2 -1 1.2 7 1.2 11 1.3 -2 D 1.3 10 1.3 13 Concaveut