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Problem 67

Jewelry A jeweler resizes a ring so that its inner circumference is 6 centimeters.

(a) What is the radius of the ring?

(b) The inner circumference of the ring varies between 5.5 centimeters and 6.5 centimeters. How does the radius $\quad$ vary?

(c) Use the $\varepsilon-\delta$ definition of limit to describe this situation. Identify $\varepsilon$ and $\delta .$

Answer

a) 9.55

b) 0.875

1.035

c) $\delta=\frac{\epsilon}{2 \pi}$

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