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Traders often buy foreign currency in hope of making money when the​ currency's value changes. For​ example, on a particular​ day, one U.S. dollar could purchase 0.8167 ​Euros, and one Euro could purchase 145.8038 yen. Let f (x )represent the number of Euros you can buy with x​ dollars, and let g (x )represent the number of yen you can buy with x Euros.

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Complete question:

Traders often buy foreign currency in hope of making money when the​ currency's value changes. For​ example, on a particular​ day, one U.S. dollar could purchase 0.8167 ​Euros, and one Euro could purchase 145.8038 yen. Let f (x )represent the number of Euros you can buy with x​ dollars, and let g (x )represent the number of yen you can buy with x Euros.

Find a function that relates dollars to Euros

Find a function that relates Euros to Yes

Answer:

1. Since with one dollar, you can purchase 0.8167 euro.

thus the function will be direct.

if dollar is x

then f (x) = 0.8167 x

2. Since with one Euro, you can purchase 145.8038 yen.

thus the function will be direct.

if euro is y

then f (y) = 145.8038 y