6. [-/1 Points] DETAILS LARCALCET7 15.6.015. Evaluate f (x, y ) = y+ 4 S: r(u, v) = ui + vj + 4vk, Osus 1, OSvs5 Need Help? Read It Submit Answer 7. [-/1 Points] DETAILS LARCALCET7 15.6.016. Evaluate 1 1 xx, v ) ds. f ( x, y ) = xy S: r(u, v) = 4 cos u i + 4 sin u j + vk Osush, OSVS1 Need Help? Read It Watch It