8. (10 points) Find the limit as X -) -1 for __ x37x6 y x3+2x25x6 (a) Using the graphical method, plot the function and nd y(-l). (b) Using Wras- (c) By factoring the numerator and denominator. Hint: One of the factors is (X + l). (d) Do all three of your answers agree? (yes or no) 9. (10 points) Find the limit as X-) 0 for 2x1 x y = This is problem 3.7 #14. (a) Using Mme- (b) Using the graphical method. Show your graph as part of your answer. (c) Do your two answers agree? (yes or no) 10. (10 points) Given the function 3 y=(;+1)2x (a) Find the limit as X -) +inf. Hint: Find the limit of 1n(y) rst, then nd limit of y = gill\". Also change (3+ 1) 3+7: Remember: 11K? ) = 1n(M) _ 1n(N), and X = 1 \"11:1" x o (b) Make a plot of y and your limit. (0) Does your limit and your asymptote match? (yes or no)