What is a parallel universe, and could there potentially be ones that contain doppelgängers of everyone on Earth?
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Answer:
Explanation:
Check the attachment for solution
<u>The period of the function is the inverse of the frequency</u>:
⇒ (<em>in other words)</em>
<u>Since the period is 9.2s</u>:
<u>Answer: 0.11 Hz</u>
<u></u>
Hope that helps!