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
Mathematics
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Solve.The average value of a certain type of automobile was $20,460 in 2006 and depreciated to $14,880 in 2011. Let y be the average value of the automobile in the year x, where x = 0 represents 2006. Write a linear equation that relates value y to year x.
A. y = -1116x + 9300
B. y = - 
x - 14880
C. y = -1116x + 14,880
D. y = -1116x + 20,460
Mathematics
Determine whether the given function is positive or negative for values of t in the specified quadrant. Quadrant II, cot t
A. Negative B. Positive
Mathematics
Add. Do not use a number line except as a check.- 
+ 
A. - 1
B. 1
C. - 
D. 
Mathematics
Evaluate the given function.f(x) = x6, f(-1)
A. 1 B. -x C. -1 D. 0
Mathematics