Answered

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

Sagot :

Ryan2
Calculating f(7)

f(7) = 2.7 + 12
f(7) = 14 + 12
f(7) = 26

He/She needs 26 - 10 = 16 dollars
kate200468
[tex]x=7\ \ \ \ \Rightarrow\ \ \ f(x)=2\cdot7+12=14+12=26\ [\$]\\\\\$26-\$10= \$16\\\\Ans.\ Makayla\ need\ \ \ \$16.[/tex]
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