Solve the problem.Suppose that the function y = f(x) is increasing on the interval (2, 5). Over what interval is the graph of 
increasing?
A. (2, 5)
B. (9, 12)
C. (-5, -2)
D. (14, 35)
Answer: C
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Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by 
and x = 3 about the y-axis.
A. 5? ln 3,240
B. 
? ln 3,240
C. 5? ln 
D. 10? ln 
Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Solve the problem.ABC phone company charges $25 per month plus 7¢ per minute of phone calls. XYZ phone company charges $16 per month plus 10¢ per minute of phone calls. How many minutes of phone calls in a month make XYZ phone company the better deal?
A. Less than 300 minutes B. Less than 30 minutes C. More than 300 minutes D. More than 30 minutes
Factor.y8 - 3y7 - y + 3
A. (y + 3)(y7 - 1) B. (y6 - 3)(y2 + 1) C. (y - 3)(y7 - 1) D. (y6 + 3)(y2 + 1)