Answer:
2
Step-by-step explanation:
Take the absolute value of the lowest y value.
So

Take the absolute value of highest y value.

Add those two together and divide by two.

So the amplitude is 2
5 divided by 630 is about 0.007936
Answer: ![-3x^{2} y\sqrt[3]{2y}](https://tex.z-dn.net/?f=-3x%5E%7B2%7D%20y%5Csqrt%5B3%5D%7B2y%7D)
Step-by-step explanation:
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2/5 of 2.5. = 2x2.5 / 5x1 = 5/5 = 1 pound