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.

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