30. lim x csex
21
29. lim sec
---(4/2)+ x
x 22
31. lim
x==2
4x + 4
32. lim
X-2+ x
x² - 2x - 8
x² - 5x + 6
8
33. Find the vertical asymptotes of the function
x? + 1
3x - 2.x2
1
|||||
1
34. Determine lim
and lim
X-TX
r-
(a) by evaluating f(x) = 1/(x - 1) for values of x that ap-
proach 1 from the left and from the right,
(b) by reasoning as in Example 8.
35. (a) Evaluate the function f(x) = x2 - (24/1000) for x = 1.
