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A Representative from a Radio Station Calls You Up, Saying

question 65

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A representative from a radio station calls you up, saying that they are doing some 'market research' about the sorts of listeners that tune into their station. The representative just wants to ask you what your favourite song is right now. When you give him your answer he thanks you for your time and hangs up. A week later the same representative calls up and asks if they can now conduct a 20-minute interview with you about the music you listen to and what you would like to hear on their station. The radio station is using:


Definitions:

Additive Inverse

The number that when added to the original number, yields zero.

Multiplicative Inverse

A number which, when multiplied by the original number, results in one. It's often referred to as the reciprocal.

Compounded Monthly

A term used in finance to describe a process where interest is added to the principal balance of an investment or loan each month, and future interest accumulations are based on the new balance.

Interest

The cost of borrowing money or the return on investment, calculated as a percentage of the principal amount over a period.

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