Determine where the function is concave downward.
?
?
A. 
B. 
C. 
D. 
Answer: D
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Use a day counting table to find the exact number of days from the first date to the second date. Assume the year is not a leap year unless otherwise indicated.September 11 to November 23
A. 327 B. 72 C. 73 D. 104
Use the fundamental identities to find the value of the trigonometric function.Find cot ?, given that csc ? = - 
and ? is in quadrant III.
A. - 
B. 
C. - 
D. - 
Solve the problem.A rumor is spread at an elementary school with 1200 students according to the model 
where N is the number of students who have heard the rumor and d is the number of days that have elapsed since the rumor began. How many students will have heard the rumor after 5 days?
Fill in the blank(s) with the appropriate word(s).
Find the average of the set of numbers.46, 32, 15, 10, 39, and 14
A. 24 B. 26 C. 27 D. 32