SOLUTION: You buy a refillable cup from the gas station for $9.50. They are offering a special where you buy the cup, and you can get soft drink refills for only $0.40 for the entire summer.

Question 1073905: You buy a refillable cup from the gas station for $9.50. They are offering a special where you buy the cup, and you can get soft drink refills for only $0.40 for the entire summer. Write a function in x that represents the total amount you spend on soft drinks at the gas station this summer.

Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
The cup itself is $9.50, and each subsequent refill is $.40 each. So, for the whole summer, your cost for the number of refills,x, will be:
f(x)=$9.50 + $0.4x ☺☺☺☺
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