You’re headed to the bank with two friends to exchange your American dollars for the South African currency rand, for an upcoming trip to South Africa. You and one friend both plan to exchange $100. If you go first and then your friend goes right after you, think about what you would expect about the amount of rand you both get back. Does the relationship between dollars turned in and rand received represent a function?

Question

13-06-2022
Mathematics

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You’re headed to the bank with two friends to exchange your American dollars for the South African currency rand, for an upcoming trip to South Africa. You and one friend both plan to exchange $100. If you go first and then your friend goes right after you, think about what you would expect about the amount of rand you both get back. Does the relationship between dollars turned in and rand received represent a function?

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azikennamdi azikennamdi · Answer 1 · 2022-06-15T19:53:44+02:00

Yes, the relationship between the money exchanged and the local currency represent a function. That function is given as follows: $1 = Rx * 100 where x is the current exchange rate of of the Rand.

What is a function?

A function in math is one that depicts the relationship between one dependent variable and an independent variable.

In this case, the independent variable is the US dollars.

Learn more about mathematical functions at:
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