2. [-/1 Points] DETAILS SCALCET8 14.5.005. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the Chain Rule to find dw/dt. w = xev/Z, x = ts, y = 4 - t, z= 9+8t dw dt Need Help? Watch It 3. [-/1 Points] DETAILS SCALCET8 14.5.006. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the Chain Rule to find dw/dt. w = In ( V x 2 + yz + z2 ) x = 8 sin(t), y = 3 cos(t), z = 2 tan(t) dw dt 4. [-/2 Points] DETAILS SCALCET8 14.5.016. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose f is a differentiable function of x and y, and g(r, s) = f(4r - s, $2 - 9r). Use the table of values below to calculate gr(9, 2) and gs(9, 2). g fx fy (34, -77) 9 6 5 8 (9, 2) 6 9 3 gr (9, 2 ) = 9s (9, 2) = 5. [-/3 Points] DETAILS SCALCET8 14.5.021. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the Chain Rule to find the indicated partial derivatives. z= x4+ x2y, x = s + 2t - u, y = stuz; az az az as' at' du when s = 3, t = 5, u = 2 dz as dz at az au Need Help? Watch It