answer both 14 and 15

14. [-/1 Points] DETAILS SCALC8 3.4.504.XP. Find the limit, if it exists. (If an answer does not exist, enter DNE.) lim (x + V x2 + 2x) x - -10 Submit Answer 15. [-/2 Points] DETAILS SCALC8 3.5.511.XP. Use the guidelines of this section to sketch the curve. y = ( x + 1)3 ( x - 1) 2 30 20 10 X -30 -20 -10 10 20 30 -30 -20 10 20 30 -10 -10 -2d -20 O -30 O 30 39 30 20 20 1d 10 -30 -20 -10 10 20 30 -30 -20 -10 10 20 30 - 10 -20 O Find an equation of the slant asymptote. -30