\fQuestion 38 (1 point) Listen If r(a) = 2x + 1 and t(x) = 4x2 + 4x + 7 which of the following functions v( ) make (v or) (x) = t(x) true? O al v (a ) = 2 2 + 6 O b) v(a) = x- 6 O c) v(a) = 22 - 6 Odv(a) = x+6Question 39 (1 point) Listen For f(ac) = 3a2 - 5x - 2, which of the given functions would give "(2) = 10 at x=3? O al g(a) = +2 Ob g(a) = 3x - 1 Ocg(x) = x-2 O d) g(ac) = 3x + 1Question 40 (1 point) Listen For f (a) = log2 X and g(a) = 2x, find (fg) (4): a) 8 ( b) 4 O c) 2 O d) 16