No. 44 please

1=0 44. Assume that z = f(x, y) , x = g(t), y = h(t), fx(1, 0) = -1 fv(1, 0) = 1, and f(1, 0) = 2. If g(3) = 1, h(3) = 0, g'(3) = -3. dz and h'(3) = 4, find dt 1= 3 45. Assume that z = f(w), w = g(x, y), x = 2r3 - s2, and y = res