Solve the problem.A small town takes a poll of how often its citizens went to the local swimming pool in a 1-month period this summer. The poll results are shown in the table. 
Let the random variable X be the number of monthly visits to the swimming pool made by a randomly selected respondent, and let f(x) = P(X = x) be a probability mass function based on these poll results. Find the cumulative probability function F.
A. F(x) = 
B. F(x) = 
C. F(x) = 
D. F(x) = 
Answer: C
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
ln 
+ C
B. 
ln 
+ C
C. ln 
+ C
D. 
ln 
+ C
Mathematics
Solve.Find the perimeter of the figure below.
A. 15.49 cm B. 21.79 cm C. 14.32 cm D. 8.02 cm
Mathematics
Use the graph to answer the question. 
Which month in 2006 had the lowest sales?
A. Month 8 B. Month 2 C. Month 3 D. Month 6
Mathematics
Determine if the second number is a factor of the first number.45; 15
A. Yes B. No
Mathematics