Solve 8-22 even, 32,36,38,42

50-56 even, 66

. . . 84 Chapter 1 Limits and Their Properties Continuity on a Closed Interval In Exercises 39-42, x5 -1 discuss the continuity of the function on the closed interval. 2 , 73. f (x ) = artb, - 1 4 2x - 5, x54 55. f ( x) = * +2 x+2 x2 - 3x - 1 56. f(x) = 2 cos x - 1 x2 - x - 84. f(x) = * 2 90. f(x) = cos 66. f(x) = J-2x, x52 (x2 - 4x + 1, x > 2 91. f(x) = x - 1 ' * * 1 92. f (x ) = 1 2x - 4 , x * 3 2 . x = 3 67. f(x) = tan , |x| 2 93. f(x) = 12X4 - x3 + 4 [1, 2] Making a Function Continuous In Exercises 69-74, find 94. f (x) = x3 + 5x - 3 [0, 1] the constant a, or the constants a and b, such that the function 95. f(x) = x2 - 2 - cos x [O, 7] is continuous on the entire real number line. 96. f(x) = -2 + tan 10 [1, 4] 69. f(x) = 3x2, x21 lax - 4, x 1 Existence of Multiple Zeros In Exercises 97 and 98, 4 sin x 71. f(x) = 1., x5 2 lax?, x > 2 72. 8 (x) = x 3 (4, 3) 3 -NWAS 32. lim f(x), where f(x) = [x2 - 4x + 6, x