Before:It's too short. Write at least 20 characters to explain it well.
After:It's too short. Write at least 20 characters to explain it well.

<u>Answer</u><u>:</u>
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Step-by-step explanation:
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The sure thing about the graph is that the amplitude is at 3 and -3. Amplitude<span>, in physics, the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position. It is equal to one-half the length of the vibration path.</span>