I need help with "what is the limit as X approaches infinity? Limit is :

> Next question You can retry this question below Let f(ac) = x + 6 + 1. Calculate the derivative f'(2) = 3x2+12x Calculate the second derivative f'' (2) = 6 + 12 Note intervals are entered in the format (-00,5)U(7,oo) (these are two infinite interv On what interval(s) is f increasing? Increasing: (-00, -4) U (0, 00) On what interval(s) is f decreasing? Decreasing: (-4,0) On what interval(s) is f concave downward? Concave Down: (-00, -2) On what interval(s) is f concave upward? Concave Up: (-2,00) What is the limit as x approaches infinity? Limit is: 1 syntax incomplete. What is the limit as x approaches negative infinity? Limit is: - 00 Sketch the graph and submit with your work. 22