Need help with these 3 questions!

Find the limit. ( x, y ) - (3, -2) ( X y + 5xy2 + 6) X Need Help? Read It 2. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALC9 14.2.010. 1/15 Submissions Used Find the limit. lim e V4 x - y (x, y) - (5, 4) X Need Help? Read It Submit Answer 3. [-/1 Points] DETAILS SCALC9 14.2.019. 0/15 Submissions Used Find the limit, if it exists. (If an answer does not exist, enter DNE.) ( x, y ) - (-2, - 1) ( X y - xy2 + 5)3