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30.12.2019 •
Mathematics
A. the school orchestra is creating a cd of their last concert. the total cost is $400 + 4.50 per cd. write an expression for the cost of creating the cds based on the number of cds n.
b. the orchestra plans to sell the cds for $12. write an expression for the amount the orchestra earns from the sale of n cds.
c. in order for the orchestra to make a profit, the amount they make selling the cds must be greater than the cost of creating the cds. write an inequality that can be solved to find the number of cds the orchestra must sell in order to make a profit. solve your inequality.
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Ответ:
Ответ:
One of the intercepts can be (1,1)