Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = x5 + 13
A. Yes, yes
B. No, no
C. Yes, no
D. No, yes
Answer: A
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Express the sum in sigma notation.7 + 8 + 9 + 10 + 11 + 12
A. 
B. 
+ 7
C. 
k
D. 
Write < or > between the pair of numbers to make the statement true.5 ___ 6
A. < B. >
Solve the problem.Starting at a local park, Rico biked for a distance, walked for a distance, then took a bus ride back to the park. His activity is depicted in the following graph. State in words the details of Rico's activity as it is depicted in the graph. 
Minutes
A. Rico biked for 2 miles, walked for 2 miles, then took a 3 mile bus ride back to the park. B. Rico biked for 2 miles, walked for 1 mile, then took a 4 mile bus ride back to the park. C. Rico biked for 3 miles, walked for 1 mile, then took a 3 mile bus ride back to the park. D. Rico biked for 2 miles, walked for 1 mile, then took a 3 mile bus ride back to the park.
Make a line graph using the given frequencies.The ages of employees of a company are summarized in the frequency table.
?
A. 
B. 
C. 
D. None of the above