Find the vertex of the parabola.f(x) = - 
x2 + 9x - 5
A. 
B. (-27, -491)
C. 
D. (27, -5)
Answer: A
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axisx = 
A. 
?
B. 18?
C. 
?
D. 19?
Find the intervals on which the function is continuous.y = 
- 2x
A. (-?, -5), (-5, ?) B. (-?, 3), (3, ?) C. (-?, ?) D. (-?, -3), (-3, ?)
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
A delivery truck must deliver furniture to 4 different locations (A, B, C, and D). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
An optimal tour is given by:
A. A, C, D, B, A. B. A, D, C, B, A. C. A, B, D, C, A. D. A, C, B, D, A. E. none of these