Show your complete solution.

E. For questions 23-25, refer to the given function u = (3 x 5 y 3 + 23. Find the partial derivative with respect to x 24. Find the partial derivative with respect to z. 25. Find the partial derivative with respect to v. F. For questions 26-28, refer to the given function, 1 = 3 26. Find the partial derivative with respect to x 27. Find the partial derivative with respect to y. 28. Find the partial derivative with respect to z