Solutions - 0070-03

Note: you can also start from and . This gives a different answer, .

(1) Set up integration:

Set at the left upper corner, with extending to the right, extending downwards. Then:

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(2) Create table of values:

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(3) Recall Simpson’s Rule formula:

Here and .

Thus:

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(4) Compute cubic yards from known surface area:

Mulch is deep, so the volume is: