Tell whether the statement is true or false. If false, give the reason.15 ? {x|x is an even counting number}
A. False; 15 is a counting number.
B. True
C. False; 15 is an even counting number.
D. False; 15 is an element of the set.
Answer: B
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Use the substitution formula to evaluate the integral.
A. - 
B. - 
C. - 
D. 
Solve the problem.The number of visitors to a tourist attraction (for the first few years after its opening) can be approximated by 
where x represents the number of months after the opening of the attraction. Find the number of visitors 32 months after the opening of the attraction.
A. 370 visitors B. 100 visitors C. 55 visitors D. 82 visitors
The circle graph below shows the number of pizzas consumed by college students in a typical month. Use the graph to answer the question. 
If State University has approximately 45,000 students, about how many would you expect to consume 5-6 pizzas in a typical month?
A. 15,300 students B. 810 students C. 1530 students D. 8100 students
Find the moment or center of mass of the wire, as indicated.Find the moment about the x-axis of a wire of constant density that lies along the curve y = 
from 
to 
A. 
B. 
C. 
D. 