Let 3 f(x) da = -7, f(x) da = -10, g(x) dx = -15, g(x) dx = -4, 2 Use these values to evaluate the given definite integrals. ) (f(2) + 9(2) do = -22 b ) ( f ( 2 ) - g( x ) ) da = 9 c) (3f (2) + 2g(x)) da = .3 d) Find the value a such that (af(x) + g(x)) dx = 0. a = -1.9