8-11

8. [-/6 Points] DETAILS SCALC8 3.3.513.XP. Consider the function below. A(X) = XVx+9 (a) Find the interval of increase. ( Enter your answer using interval notation.) Find the interval of decrease. (Enter your answer using interval notation.) b) Find the local minimum value(s). (Enter your answers as a comma-separated list. If an answer does not exist, enter DINE.) -separated list. If an answer does not exist, enter ONE.) Find the local maximum value(s). (Enter your answ (c) Find the interval where the graph is concave upward, (Enter your answer using interval notation.) (d) Use the information in parts (a)-(c) to sketch the graph of A(x). 10 10 10 10 -10 -5 -5 -5 -10 -10 10 -10 -5 -10 -5 10 -10 -10 9. [-/1 Points] DETAILS SCALC8 3.4.503.XP. Find the limit x 4 8 10. [-/1 Points] DETAILS SCALC8 3.4.505.XP. Find the limit. 11. [-/2 Points] DETAILS SCALCE 3.4.506.XP. Find the horizontal and vertical asymptotes of the curve x - 7 12. [-/2 Points] DETAILS SCALC8 3.5.511.XP. Use the guidelines of this saction to sketch the curve