Suppose that the function with the given graph is not f(x), but f'(x). Find the open intervals where f(x) is increasing or decreasing as indicated. Increasing
A. (-3, 3)
B. (-?, ?)
C. (-?, -3), (3, ?)
D. (-?, -3), (-3, 3), (3, ?)
Answer: D
Mathematics
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A. 200 B. 50 C. 100 D. 25
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In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer lectures in a school of 900 students?
A. About 18 students B. About 324 students C. About 180 students D. About 162 students
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Write the expression in lowest terms.
A. 
B. 
C. 
D. 
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Evaluate the radical expressions or indicate that the root is not a real number.
A. 
B. 9
C. 6561
D. Not a real number
Mathematics