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The trunk of a tree has diameter 30 cm. ...

The trunk of a tree has diameter 30 cm. During the following year, the circumference grew 6 cm.
(i) Approximately, how much did the tree's diameter grow?
(ii) What is the percentage increase in area of the tree's cross-section?

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The correct Answer is:
`= (40)/(pi) %`
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PREMIERS PUBLISHERS-DIFFERENTIALS AND PARTIAL DERIVATIVES-EXERCISE 8.2
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  6. Find Delta f and df for the function f for the indicated values of x, ...

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  7. Find Delta f and df for the function f for the indicated values of x, ...

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  10. The trunk of a tree has diameter 30 cm. During the following year, the...

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