jewelparnell jewelparnell

05-01-2016
Mathematics

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Suppose that the function f(x)=2x+12 represents the cost to rent x movies a month from an internet movie club. Makayla now has $10. How many more dollars does Makayla need to rent 7 movies next month?

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pingwin09 pingwin09

05-01-2016

To rent 7 movies, he needs 2(7) + 12 = $26.
But he has only $10. So he needs more 26 - 10 = $16.

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