Solve for y in terms of x.log 2 y = log 2 5 - 10 log 2 
A. 
B. 5 - 
10
C. 
D. 5 - 10
Answer: C
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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. 
?
Find an equation of the circle satisfying the given conditions.Center at (0, -3), radius 
A. (x + 3)2 + y2 = 100 B. (x - 3)2 + y2 = 100 C. x2 + (y + 3)2 = 10 D. x2 + (y - 3)2 = 10
Find the requested partial derivative.
if 
and 
.
A. 3(x2 + y2 + z2) B. 18(x2 + y2 + z2) C. 18x2 D. 3x2
Solve.A fire fighter needs to estimate the height of a burning building. She estimates the length of her shadow to be 8 feet long and the length of the building's shadow to be 48 feet long. Find the height of the building if the fire fighter is 5
feet tall.
A. 80 ft B. 32 ft C. 72 ft D. 55.995 ft