Find the open intervals
Problem: The profit P (in dollars) made by a fast food restaurant selling "x" hamburgers is:P(x) = 2.44x - (x2/20,000) - 5000 for 0 ≤ x ≤ 35,000Find the open intervals on which P is increasing or decreasing.
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Syntech is offered credit terms of 2/10, net 40, but decides to forego taking the cash discount and pays on the 45th day. What is Syntech's cost of foregoing the cash discount?
A large corporation with offices filling a 40 storey building is concerned to minimize the waiting and travel times of its employees when using the lifts, which are regularly perceived as too long at certain times of the day.
Write a linear polynomial for the rent price P and a linear polynomial for the number of apartments (Q).
Invest a total of $4000 in 2 stocks that paid 5% and 7% annual interests. At the end of the year total interests from these investments is $230. How much was invested at each rate?
Problem: The profit P (in dollars) made by a fast food restaurant selling "x" hamburgers is: Find the open intervals on which P is increasing or decreasing.
Question: Determine how long it takes for $150.00 to become $2,000.00 if invested at 4% interest compounded quarterly.
What is the remaining amortization period on this mortgage? If the mortgage is renewed at the end of the first term for another 5 year term at 8% compounded semi-annually, how much are the new monthly payments?
A non interest bearing note of $2000 is discounted at 12% compounded quarterly for 5 years and 8 months. What are the proceeds?
Question: Find the rate of interest if money is worth 18% compounded monthly?
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