Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Decreasing on (-?, ?)
B. Decreasing on (-?, 0); increasing on (0, ?)
C. Increasing on (-?, ?)
D. Increasing on (-?, 0); decreasing on (0, ?)
Answer: C
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Find the critical point(s) of the function. Then use the second derivative test to classify the nature of each point, if possible. Finally, determine the relative extrema of the function.
?
?
A. 
is the critical point, it is impossible to determine the relative extrema of the function
B. 
is the point of minimum, 9 is the relative minimum
C. 
is the critical point, the function has neither a relative maximum nor a relative minimum at this point
D. 
is the point of maximum, 9 is the relative maximum
E. no critical points
Use Descartes' Rule of Signs to determine the possible number of positive and negative zeros of 
A) 3 positive reals or 1 positive real; 1 negative real B) 3 positive reals or 1 positive real; no negative reals C) no positive reals; no negative reals D) 1 positive real; 3 negative reals or 1 negative real E) 3 positive reals or 1 positive real; 3 negative reals or 1 negative real
Write as an addition problem and find the sum.The temperature was 68 degrees in the morning, but it dropped 11 degrees in the afternoon and another 9 degrees in the evening. What was the temperature in the evening?
A. 68 + (-11) + (-9) = 48 degrees B. 68 + 11 + 9 = 66 degrees C. 68 + (-11) + (-9) = 66 degrees D. 68 + 11 + 9 = 48 degrees
Add. Write a mixed numeral for the answer. 6
A. 10
B. 11
C. 10
D. 10