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Unformatted text preview: 4/1 = 4 4. Kafka Inc. imports hard drives and sells them on the internet. The profit is given by the equation P = 140n  8500, where n is the number of hard drives sold. Graph P = 140n  8500 for n < 1000. Estimate the profit, to the nearest ten dollars, corresponding to the sale of 875 hard drives. P = 140*8758500 = P = 1225008500 = $114,000.00 P = $114,000.00 Estimated profit of the sale of 875 hard drives will be $114,000. (It was heck to build this graph without graph paper!) 5. When $8500 is invested in a savings account paying simple interest for the year, the interest, i in dollars, can be obtained from the equation i = 8500r , where r is the rate of interest in decimal form. Graph i = 8500r , for r up to and including a rate of 16%. If the rate is 12%, how much interest is earned? If the rate is 16%, how much interest is earned? Interest = 8500*0.16 = $ 1,360 r = 0.12 Interest = 8500*0.12 = $ 1,020...
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This note was uploaded on 10/15/2011 for the course BUS BUS306 taught by Professor Dr.jolantaauden during the Spring '11 term at Trident Technical College.
 Spring '11
 Dr.JolantaAuden

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