1. Given f(x)=4x-3x a) (f+g)(x) c) (f-g)(x) e) f(x)g(x) 4 g(x)= and 2x-7, determine the following and state the domains for each b) g(f(x)) d) f(g(x)) f(x) f) 8(x) 2. A golfer hits a ball up in the air. The height of the golf ball in metres above the ground is given by == h(t) = 4.9t + 4t + 0.1, where t is the number of seconds after the ball is hit. What is the average rate of change in the height of the ball over the interval 1.5