Please help with the following questions im struggling to answer. Thanks!!

Problem 13. (1 point) Find the indicated partial derivatives of: w = V3r2+ 1$2+9+2. dw dw as dw at Problem 14. (1 point) Find the maximum and minimum values of the function f(x, y, z) = x yz subject to the constraint x2 + y- + z = 36. Maximum value is occuring at points (positive integer or "infinitely many"). Minimum value is occuring at points (positive integer or "infinitely many"). Problem 15. (1 point) Find the minimum value of the function subject to the given con- straint. f (x, y) = 6x2 +2, 2x+ 4y=2 fmin =