Homework: Section.. Question 8, 15.1.19 Evaluate the double integral over the given region R. Jxyco R: - 2 SXS 2, 0 Sysx R . . . xy cos y dA = R (Simplify your answer.)Homework: Section.. Question 9, 15.1.23 Evaluate the double integral over the given region R. x/2 dA R: Osys6, OSXS1 x- + 1 R x/2 dA 2 + 1 R (Type an exact answer.)Question 9, 14.8.30 > HW Score: 90.91 %, 10 of 11 points @ Homework. Sectl... Pam m Points: Def 1 Suppose that the Celsius temperature at the point (x,y,z) on the sphere x2 + y2 + z2 = 1 is T= 800xy22. Locate the highest and lowest temperatures on the sphere. The highest temperature on the sphere is C. (Simplify your answer.)