4. For the function whose graph is given below, find the following: lim h(x) = x--1 y = h(xx) lim h(x) = x--1 3 [4] lim h(x) = -3 0 3 6 X-3- - 3 lim h(x) = x-3 lim h(x) = x--1+ h(-1) = lim h(x) = x-3+ h(3) =