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In Mathematics / Middle School | 2014-05-17

Suppose that the function [tex]f(x) = 2x + 12[/tex] represents the cost to rent [tex]x[/tex] 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?

Asked by pizzalovebug

Answer (3)

Calculating f(7)
f(7) = 2.7 + 12 f(7) = 14 + 12 f(7) = 26
He/She needs 26 - 10 = 16 dollars

Answered by Ryan2 | 2024-06-10

x = 7 ⇒ f ( x ) = 2 ⋅ 7 + 12 = 14 + 12 = 26 [ $ ] $26 − $10 = $16 A n s . M aka y l a n ee d $16.

Answered by kate200468 | 2024-06-24

Makayla needs to calculate the total cost of renting 7 movies, which is $26. Since she only has $10, the additional amount she needs is $16. Thus, she needs $16 more to rent the movies.
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Answered by kate200468 | 2024-10-01

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