IIIQuadraticFunctions - Dr. Raja Latif. Math 131043.Sec:...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
4 . 3 : Quadratic Equations Recommended Examples : 5 pp : 138 139 , Recommended Pr actice Prob # 3 Page #139 HomeWork Problems .: 29,31,33,39,41 Example . HB69E4 . 10 . A manufacturer can produce radio at a cost of $2 each . The radio have been selling for $5 each , and at this price , consumers have been buying 4000 radios a month . The manufacturer is planning to raise the price of the radios and estimate that for each $1 increase in the price , 400 fewer radios will be sold each month . Express the manufacturer s monthly profit as a function of the selling price . at what price should the radios be sold to maximize profit ? Solution . Let x denote the price at which the radio will be sold and P x the corresponding profit . Number of radios sold 4000 400 number of $1 increases The number of $1 increases in the price is x 5, the difference between the new and
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/17/2009 for the course MATH MATH131 taught by Professor Dr.rajalatif during the Spring '09 term at King Fahd University of Petroleum & Minerals.

Page1 / 4

IIIQuadraticFunctions - Dr. Raja Latif. Math 131043.Sec:...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online