EVNREV0P - Review Exercises for Chapter P 14. (a) t (b) 21...

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Review Exercises for Chapter P Review Exercises for Chapter P 297 14. (a) (b) (c) The curve levels off for (d) The model is better for low speeds. 0 100 0 21 t 5 0.002 s 2 1 0.0346 s 1 0.183 s < 20. 20 100 0 21 t 5 0.00271 s 2 2 0.0529 s 1 2.671 16. (a) (b) (c) For pounds per square inch. (d) The model is based on data up to 100 pounds per square inch. T 5 300 8 F, p < 68.29 0 110 150 350 T 5 2.9856 3 10 2 4 p 3 2 0.0641 p 2 1 5.2826 p 1 143.1 18. (a) One model is (b) 0 0 13 100 C s t d 5 58 1 27 sin 1 p t 6 1 4.1 2 . H s t d 5 84.4 1 4.28 sin 1 t 6 1 3.86 2 (c) (d) The average in Honolulu is 84.4. The average in Chicago is 58. (e) The period is 12 months (1 year). (f) Chicago has greater variability s 27 > 4.28 d . 0 0 13 100 20. Answers will vary. 2. y -intercept x -intercepts y 5 0 0 5 s x 2 1 ds x 2 3 d x 5 1, 3 s 1, 0 d , s 3, 0 d x 5 0 y 5 s 0 2 1 ds 0 2 3 d 5 3 s 0, 3 d y 5 s x 2 1 ds x 2 3 d 4. and are both impossible. No intercepts. y 5 0 x 5 0 xy 5 4 6. Symmetric with respect to y -axis since . y 5 x 4 2 x 2 1 3 y 5 s 2 x d 4 2 s 2 x d 2 1 3
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8. Slope: 2 y -intercept: 23 1 2 1 2 3 1 y x 2 3 y 5 2 x 2 3 4 x 2 2 y 5 6 10. Slope: y -intercept: 44 8 1 2 1 2 1 3 y x 5 3 2 2 15 y 52 2 15 x 1 5 3 2 x 1 15 y 5 25 0.02 x 1 0.15 y 5 0.25 12. 24 8 2 4 6 8 10 2 y x y 5 x s 6 2 x d 14. 1 23456 1 2 3 4 5 6 y x y 5 | x 2 4 | 2 4 16. Xmin = -40 Xmax = 40 Xscl = 10 Ymin = -40 Ymax = 40 Yscl = 10 y 5 8 3 ! x 2 6 18. No real solution No points of intersection The graphs of and do not intersect. y 5 x 2 1 7 y 5 x 1 1 0 5 x 2 2 x 1 6 s x 1 1 d 2 x 2 5 7 y 5 x 1 1 20. (a) and (c) 0 5 k s 0 d 3 any k will do!
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EVNREV0P - Review Exercises for Chapter P 14. (a) t (b) 21...

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