Try another version of this question Get help: Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Given:
`z = x^4 + x y^2, \quad x = u v^4 + w^3, \quad y = u + v e^w`
Find `(del z)/(del u)` when `u = -3, \ v = 3, \ w = 0`
Enter DNE for Does Not Exist, oo for Infinity -4649045868