Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation x = -5p + 100, 0 ? p ? 20.What quantity x maximizes revenue? What is the maximum revenue?
A. 100; $500
B. 50; $500
C. 25; $375
D. 75; $375
Answer: B
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Determine whether or not the graph is a graph of a function of x.
A. Function B. Not a function
Determine whether the growth (or decay) is linear or exponential, and answer the associated question.The population of Oak Forest is increasing at a rate of 4% per year. If the population is 87,224 today, what will it be in three years?
A. Linear; 112,224 people B. Linear; 272,139 people C. Exponential; 90,760 people D. Exponential; 98,115 people
The graph of the given function is drawn with a solid line. The graph of a function, g(x), transformed from this one is drawn with a dashed line. Find a formula for g(x).f(x) = x2
A. g(x) = (x - 5)2 B. g(x) = 5x2 C. g(x) = x2 + 5 D. g(x) = x2 - 5
For the given pair of points, find the equation of the line 
that goes through the points by solving a system of equations.(1, -2) and (-7, 6)
A. y = -x - 1 B. y = x - 1 C. y = -x - 3 D. y = -x - 2