Solve the problem.The Cool Company determines that the supply function for its basic air conditioning unit is 
and that its demand function is 
, where p is the price. Determine the price for which the supply equals the demand.
A. $21.36
B. $21.86
C. $22.86
D. $22.36
Answer: B
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Solve the problem.The table shows the number of new cases of a certain disease among women in six consecutive years. Data are in thousands rounded to the nearest hundred.YearNew Cases (thousands)20053.020063.420074.620085.420096.0201016.1Let x = 1 correspond to 2005 and let y be the number of new cases (in thousands) among women in year x. Find a quadratic function to model the data. Use the unrounded function to determine in what year the number of new cases among women will reach 20,000.
A. 1993 B. 1994 C. 1992 D. 1995
Use the bar graph to answer the question.The bar graph below shows the number of students by major in the College of Arts and Sciences.
Which major has the largest number of students?
A. English B. History C. Science D. Math
Solve.Find the equilibrium point for the given supply and demand functions. Here y represents price and x represents quantity. y = 4620 - 90x (demand) y = 120x (supply)
A. 30, $2640 B. 30, $1920 C. 22, $2640 D. 38, $1200
Solve. Give an exact answer unless indicated otherwise.Given that sin 
? 0.9511 and cos 
? 0.3090, find 
Round to four decimal places.
A. 0.7968 B. 0.3249 C. 1.0514 D. 1.4526