1. (a) (4 points) Compute the derivatives Df(u, v, w) and D g(z, y) for the functions f R3 R2 and g R2 IRS given by f (u, v,w) (u w2, uv vw) and g(ar, y) ay, y2) (b) (4 points) Use the chain rule to compute the derivative D(f o (2,1) Recall that (f o g (ar, y) f (g (ar, y)).
