Suppose that the functions g and h are defined for all real numbers x as follows. g (x) = x-3 h(x) = 3x+6 Write the expressions for (g- h) (x) and (g.h) (x) and evaluate (g + h) (2). (8 - h)(xx) = 1 (8.h) (x) = 1 X 5 ? ( 8 + h ) ( 2 ) = 1