The monthly demand for a certain brand of perfume is given by the demand equation
where p denotes the retail unit price (in dollars) and x denotes the quantity (in 1-oz bottles) demanded.
?
Find the rate of change of the price to the nearest hundredth of a cent per bottle when x = 2,000.
?
__________ cents per bottle
?
What is the price per bottle when x = 2,000.
?
$__________ / bottle
What will be an ideal response?
-1.61; 240.44
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Solve the problem.In a certain lottery, 6 different numbers between 1 and 10 inclusive are drawn. These are the winning numbers. How many different selections are possible? Assume that the order in which the numbers are drawn is not important.
A. 210 B. 1,000,000 C. 720 D. 151,200
Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 4
B. 2
C. 2
D. 2
Add or subtract as indicated. Write the answer in simplest form.-3w + 
A. 
B. 
C. 
D. 
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[5ln (x + 1) - ln x - ln (x2 - 1)]
A. ln 
B. ln 
C. ln 
D. ln 