X X3X4 X5 XO X1 X2For what x-values is the function above discontinuous? O CO O x1 O x3 O X4 O X'5For what x-values is the function above continuous but non-differentiable? O TO O x1 O x3\fThe area A, in square miles, of a circular patch of oil is expanding according to A = A (t) : 2t, where t is the time, in seconds. 1. At what rate is the area changing with respect to time? 2. What are the units of A' (t)?