Can someone solve this question

The American University in Cairo MACT 2123 Mathematics and Actuarial Science Summer 2020 Caclulus III Exam 1 June 22, 2020 Time Limit: 95 Minutes Problem 4. (a) Consider the function f(x. 1) = Va + Vy+ In (4 - I) 16 - 12 - Aya i) (6 pts) Find and sketch the domain of the function f. ii) (4 pts) Compute the partial derivative fux- (b) (5 pts each) Evaluate the following limits or show it does not exist: i) lim(z.V)-+(0.0) 2 + ii) lim(x.)-+(0.0) 2+ \\Ity-+4 acer