Q1. Find the domain and range, and draw the graph of the function by the given formula. (a) f (x) = x - 1x1 (b) h(x) = { x - 9 x-3 if x#3 6 if x = 3 Q2. If f(x) = x + kx + 1 for all x and f is an even function, find k. Q3. Show that the product of an even function and an odd function is an odd function