Solve the problem.A vitamin water maker finds that the revenue, in dollars, from the sale of x bottles of vitamin water is given by 
Find the rate at which average revenue is changing when 49 bottles of vitamin water have been produced. Round the answer to four decimal places.
A. $0.0082/bottle
B. -$0.1732/bottle
C. $0.1732/bottle
D. -$0.0082/bottle
Answer: D
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Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The preference schedule below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S).
Determine the winner using the method of pairwise comparisons.
A. Clark B. Smith C. Jones & Clark (tie) D. Jones
Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.csc 
A. - 
B. - 
C. - 
D. - 
Solve the problem.Five men recorded their average time to run a mile. The results are shown in the bar graph below. Times are in minutes. How much faster is Randy's average time than Graham's? 
A. 0.36 min B. 0.66 min C. 1.13 min D. 0.56 min
Solve the equation.
= 5 - 2x
A. 
B. 
C. 
D. {5}