Question 3. Evaluate the following limits. Use algebra techniques if necessary. (a) lim (x3 - 2x2 + 4x + 8) x-+2 -197 (d) lim - 197 I - - 2 x + 2 + 4* + 8 15 (e) lim Vx - 6 x-+36 x - 36 (b) lim x2+3x - 10 - -5 x + 5 2 2- 9 (f) lim 2- -3 2 2 + 2 - 6 72 (c lim 4 x- 2 x + 22 X2 Alow 4x2 - 19 (g) lim x2+ 2x -5 (i) lim 3x2 + 2 20 - -00 -23 + x-6 2 2 - 9 lim - -00 (j) lim - 9 2x - 6 2x - 6 aniwolfot off me] .8 noiseon 1 0load (b) . Question 4. The cost to fly x miles on Lufthansa Airlines can be approximated by the equation C(x) = 0.11367x + 768.44. Find and interpret lim C(x). 20 -+ 00 Ter said ( b ) Question 5. Use the 3-part definition of continuity to determine if f(x) is continuous at x = -1. (2 + 2 2-1