On January $1,1999,$ the euro became legal tender in 11 participating countries in Europe. Based on the exchange rate on one particular day, the linear function $d(x)=0.8881 x$ could be used to convert $x$ euros to U.S. dollars.

On that day, what was the value in U.S. dollars of 200 euros?

## Discussion

## Video Transcript

this question is asking if this is a linear function. Well, if we were to switch this and make it equal h of X equals negative two x plus 1.1 we see that it's in the form of y equals MX plus B. So, yes, this is a function, a linear function.

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