Solutions for Modeling with Trigonometric Equations
Solutions to Try Its
1. The amplitude is , and the period is . 2.x | |
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0 | 0 |
3 | |
0 | |
0 |


Solutions to Odd-Numbered Exercises
1. Physical behavior should be periodic, or cyclical. 3. Since cumulative rainfall is always increasing, a sinusoidal function would not be ideal here. 5. 7. 9. 11. 13. 15. Answers will vary. Sample answer: This function could model temperature changes over the course of one very hot day in Phoenix, Arizona.![Graph of f(x) = -18cos(x*pi/12) - 5sin(x*pi/12) + 100 on the interval [0,24]. There is a single peak around 12.](https://s3-us-west-2.amazonaws.com/courses-images-archive-read-only/wp-content/uploads/sites/923/2015/04/25001621/CNX_Precalc_Figure_07_06_202.jpg)