For the given equation, find the vertex or vertices.r = 
A. 
B. 
C. 
, 
D. 
, 
Answer: C
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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 25, on the right by the line 
, and above by the line y = 5
A. 125?
B. 
?
C. 
?
D. 
?
First determine which number (x or y) is more accurate, then which is more precise.x = 9,000, y = 0.0090
A. y, x B. y, y C. x, y D. x, x
Use your calculator to solve the problem.The length (in feet) an industrial spring is stretched from its natural length with work, W
is given by L = 
, where k is a constant for the given spring. If a certain spring has a constant of 67.6 and has 287 foot-pounds of work applied, how far will it stretch?
A. 2.91 feet B. 2.06 feet C. 72.1 feet D. 8.49 feet
Find percent notation.0.07
A. 0.0007% B. 0.7% C. 7% D. 70%