Find the area of the shaded region.
A. ?
B. 2
C. ? + 2
D. ? - 2
Answer: D
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 2y - y2 and the y-axis about the line x = -1
A. 
?
B. 
?
C. 
?
D. 
?
Solve.A line from the top of a cliff to the ground passes just over the top of a pole 5.0 ft high and meets the ground at a point 8.0 ft from the base of the pole. If the point is 86 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.
A. 54 ft B. 5 ft C. 3440 ft D. 430 ft
Test the equation for symmetry with respect to the given axis, line, or pole.r = 4 cos ?; the line ? = 
A. Symmetric with respect to the line ? = 
B. May or may not be symmetric with respect to the line ? = 
Solve the equation. Express radicals in simplest form.x2 = 
A. 
B. 
C. 
D. 