In Problems 61–72, find the numbers at which f is continuous. At which numbers is f discontinuous? 62. f(x) 3D 4 — Зх 61. f(x) = 2x + 3 63. f(x) = 3x² + x 64. f(x) = -3r³ + 7 65. f(x) = 4 sin x 66. f(x) = -2 cos x 67. f(x) = 2 tan x 68. f(x) = 4 csc x 2x + 5 x? – 4 X - 3 In x 69. f(x) 70. f(x) 71. f(x) 72. f(x) x² - 4 x - 9 In x X - 3
In Problems 61–72, find the numbers at which f is continuous. At which numbers is f discontinuous? 62. f(x) 3D 4 — Зх 61. f(x) = 2x + 3 63. f(x) = 3x² + x 64. f(x) = -3r³ + 7 65. f(x) = 4 sin x 66. f(x) = -2 cos x 67. f(x) = 2 tan x 68. f(x) = 4 csc x 2x + 5 x? – 4 X - 3 In x 69. f(x) 70. f(x) 71. f(x) 72. f(x) x² - 4 x - 9 In x X - 3
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.4: Derivatives Of Exponential Functions
Problem 20E
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In Problems 61–72, find the numbers at which f is continuous. At which numbers is f discontinuous?
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