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ch1_even_ans - Answers to Even-Numbered Exercises Exercises...

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Answers to Even-Numbered Exercises Exercises 1.1 2. (a) 2 (b) 1 (c) f (2) = 1 / 2 4. x = 1 and x = 3 10. (a) graph (b) lim t 8 r ( t ) = 0 . 05, lim t 8+ r ( t ) = 0 . 10 (c) all t except t = 8 and t = 16 12. 3 16. limit does not exist 20. 2 30. -6 32. 1 6 40. 0 46. 1 Exercises 1.2 2. (a) 0 (b) + (c) −∞ (d) 0 (e) f (0) = 1, f (1) = 0 8. + 14. + 20. 1/4 32. 200 44. No vertical asymptote. Horizontal asymptote y = 1. Always positve except at x = 0. Graph approaches y = 1 from below.
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