Use the frequency polygon to answer the following.The frequency polygon shows the salaries of employees of a small company.
The greatest number of employees are in which salary group?
A. $50,000-$60,000
B. $30,000-$35,000
C. $50,000-$55,000
Answer: B
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Solve the problem.Find the number of units that must be produced and sold in order to yield the maximum profit, given the following equations for revenue and cost:R
= 6xC
= 0.01x2 + 1.2x + 90.
A. 720 units B. 360 units C. 240 units D. 480 units
Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 0 and x = 3 using the "midpoint rule" with two rectangles of equal width.
A. 16.875 B. 3.375 C. 12.5 D. 8.4375
Find an equation of the line that fits the description.Passes through (0, -5) and is perpendicular to y = - 
x + 
A. y = 
x - 5
B. y = - 
x - 5
C. y = - 
x - 5
D. y = 
x - 5
Rationalize the denominator and simplify.
A. 11
B. 
C. 1
D. 11