The data in the table shows a sinusoidal relationship between the number of seconds an object has been moving and its velocity v(x), measured in centimeters per second.
| x | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| v(x) | 34.5 | 31.3 | 26.1 | 20 | 13.9 | 8.7 | 5.2 | 4 | 5.2 | 8.7 | 13.9 | 20 |
What is true of the cosine function that models the data in the table?
The period of the cosine function is____ . The equation of the midline of the cosine function is y =____ . The amplitude of the cosine function is ____
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+37170 Start out by graphing all of the points .... then bring your graph back here for further help.... 
