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3 years ago

10

The question is in the picture. Again. Rip.

1 answer:

7nadin3 [17]3 years ago

3 0

first you have to get your graph all together, it already gave the Y value for us, -3, so we know that the answer will be (x,-3), and by looking at your answer choices there is only 1 that fits the description. answer is therefor (-2,-3)

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Answer:

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Step-by-step explanation:

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Amplitude is:

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$T = \frac{2\pi}{\frac{3}{2}\pi }\cdot (30)$

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The complete expression is:

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The times associated with $c = 5\,in$ are, respectively:

$8\,in + 4\,in \cdot \sin \left(\frac{2\pi}{40}\cdot t \right) = 5\,in$

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$t_{1} \approx 25.4\,days$

$t_{2} \approx 34.6\,days$

Period is:

$25.4\,days \leq t \leq 34.6\,days$

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