# Algebra

Say we want to determine how many people we can invite to a party for a given budget (\$ input). We want one snack and one soda for each person. The snack cost is \$1 and the soda cost is \$1 per can for \$2 total.
How many people I can invite (the range) based on the amount of money I can spend (the domain \$)? What does the function tell us for the following budgets (How many people can I invite) \$100? \$126?, and \$166?

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1. An example of a similar function is f(x) for the number of bus tickets I can buy for x dollars. If a bus ticket costs \$2.50, then
f(x)=x/2.50
f(10)=10/2.50=4, so I can buy 4 bus tickets for \$10.

You can proceed in a similar way for the party function.

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