Use the frequency polygon to answer the following.The frequency polygon shows the salaries of employees of a small company.
Find the number of employees who earn $48,000 to $54,000.
A. 12 employees
B. 14 employees
C. 18 employees
Answer: C
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Use the formulas 
= 
, 
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, and 
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2 to find the sum.Find the sum of the first 32 squared positive integers.
A. 11,440 B. 5720 C. 528 D. 278,784
Find all solutions of the equation correct to two decimal places.
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Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.85 as soon as you get in the taxi, to which a charge of $1.95 per mile is added. Find an equation that can be used to determine the cost, C(x), of an x-mile taxi ride.
A. C(x) = 2.85 + 1.95x B. C(x) = 4.80x C. C(x) = 1.95 + 2.85x D. C(x) = 3.30x
Solve the problem.Data representing the price and quantity demanded for hand-held electronic organizers were analyzed every day for 15 days. The logarithmic function of best fit to the data was found to be 
Use this to predict the number of hand-held electronic organizers that would be demanded if the price were $275.
What will be an ideal response?