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Marco pays $459 to record an album in a studio. Marco then sells his album for $30 each. Write a function f(x) that represents Marco’s profit in-terms of x number of albums sold.

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KOF97

Answer:

Step-by-step explanation:

If Marco gets profits,he should sells 16 albums.

(Because 459/30=15.3,but the number of albums should be an integer,so it's 16)

f(x)=30x-459(x≥16)

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