$\"\"$

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The volume of the golf ball is $\"\"$ .

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(a)

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The volume of the ball is $\"\"$ .

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$\"\"$

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Radius of the ball is $\"\"$ .

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$\"\"$

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(b)

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The volume of the golf ball vary from $\"\"$ and $\"\"$ .

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The volume of the ball is $\"\"$ .

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If volume of the ball is $\"\"$ .

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$\"\"$

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$\"\"$

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Radius of the ball is $\"\"$ .

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If volume of the ball is $\"\"$ .

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$\"\"$

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$\"\"$

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Radius of the ball is $\"\"$

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$\"\"$

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(c)

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At $\"\"$ the volume of the golf ball is $\"\"$ .

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$\"\"$ .

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Prove the limit $\"\"$ using $\"\"$ definition.

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For each $\"\"$ , there exists a $\"\"$ such that $\"\"$ whenever $\"\"$ .

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Consider $\"\"$

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$\"\"$

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Consider $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Observe the relationship between two absolute values $\"\"$ and $\"\"$ .

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Consider $\"\"$ .

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$\"\"$

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Consider $\"\"$

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$\"\"$

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Then $\"\"$ .

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Therefore $\"\"$ .

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The change in radius is $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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(a) Radius of the ball is $\"\"$ .

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(b)

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Radius of the ball is $\"\"$ when volume of the golf ball is $\"\"$ .

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Radius of the ball is $\"\"$ when volume of the golf ball is $\"\"$ .

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(c) $\"\"$ and $\"\"$ .