Suppose that the function f(x) = 2x + 15 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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asked Feb 14, 2016 44.0k views

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Suppose that the function f(x) = 2x + 15 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?

Mathematics
high-school

Jul asked

by Jul

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She needs 19 more dollars because the amount that the entire thing costs is 29

Brett Y answered Feb 19, 2016

by Brett Y

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