14.4 Chain Rule Progress saved Done & Vo Score: 0/40 0/4 answered . Question 1 0/10 pts . 100 @ Details Given f(x, y) = sin(x + y) where a = s't , y = 2s - 3t. Find f.(x(s, t), y(s, t)) = fi(x(s, t), y(s, t)) = Note: This question is looking for the answer to be only in terms of s and t Question Help: [ Video Submit Question 14.4 Chain Rule Progress saved Done & Voce Score: 0/40 0/4 answered . Question 2 0/10 pts ' 100 @ Details dz Find where z(x, y) = x2 - y', with x(t) = 9 sin(t) and y(t) = 2 cos(t). dz Submit Question 14.4 Chain Rule Progress saved Done & Voce Score: 0/40 0/4 answered . Question 3 0/10 pts ' 100 @ Details y Let w(x, y) be a function for which aw ow 1+ 221 2 dy "1 + xly2 ' Suppose = = 5t and y = 4. Use the chain rule to compute - dt dw - = Submit Question 14.4 Chain Rule Progress saved Done & Voce Score: 0/40 0/4 answered . Question 4 0/10 pts ' 100 @ Details Given z = u' + v with u = x + y and v = x - y, evaluate the following partial derivatives: Oz . ay Submit