Let w(s, t) = F(u(s, t), v(s, t), where F, u, and v are differentiable, and the following applies. ut-4,-2) = 1 us(-4,-2) =-7 ut(-4,-2) = 2 n-4-2)--5 vs(-4,-2) = 8 vt(-4,-2) = 7 v(-4,-2) -5 = Find Ws(-4, -2) and W-4, -2) Ws(-4,-2) = We(-4,-2) = Need Help? Read It Talk to a Tutor