Find the average rate of change of the area of a circle with respect to its radius 
as 
changes from 
to 
Select the correct Answer
Definitions:
Face Value
The nominal or dollar value printed on a security or financial instrument, such as a bond or stock certificate, representing its official worth or repayment value at maturity.
Yield-to-Maturity
The total return anticipated on a bond if it is held until its maturity date, incorporating both interest payments and the adjustment of the bond's value.
Semi-annual
Occurring twice a year; pertaining to events, reports, payments, or dividends that happen or are issued every six months.
Yield to Maturity
The overall anticipated gain on a bond if retained until its expiration date.
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