Solve the problem.Acme Communication finds that the total revenue function associated with producing a new type of cellular phone is 
and the total cost function is 
where x represents the number of units of cellular phones produced. Find the total profit function, P(x) .
A. P(x) = -x2 + 207x - 8000
B. P(x) = -2x2 + 225x - 9000
C. P(x) = -x2 + 219x + 8000
D. P(x) = x4 - 207x2 + 8000
Answer: A
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State the period of the function and graph.sin 
A. Period 2?
B. Period 2?
C. Period 2?
D. Period 2?
Determine whether or not the function is linear. If it is, determine the slope and interpret it.The population of a small town is given by P(t) = 59t + 12,350, where t is the number of years past 2010.
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Solve the problem.Mardi received an inheritance of $60,000. She invested part at 12% and deposited the remainder in tax-free bonds at 10%. Her total annual income from the investments was $6600. Find the amount invested at 12%.
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