Find the difference.17.2 - 4.52
A. 12.78
B. 22.72
C. 21.72
D. 12.68
Answer: D
Mathematics
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Find 
and 
.f(x, y) = sin2 (6xy2 - y)
A. 
= 12y2sin (6xy2 - y) cos (6xy2 - y); 
= 2sin (6xy2 - y) cos (6xy2 - y)
B. 
= 2sin (6xy2 - y) cos (6xy2 - y); 
= (24x - 2) sin (6xy2 - y) cos (6xy2 - y)
C. 
= 2sin (6xy2 - y) cos (6xy2 - y); 
= 2sin(6xy2 - y) cos(6xy2 - y)
D. 
= 12y2sin (6xy2 - y) cos (6xy2 - y); 
= (24xy - 2) sin (6xy2 - y) cos (6xy2 - y)
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 0, x = 9
A. 486? B. 324? C. 972? D. 18?
Mathematics
Evaluate the integral.
A. 
B. - 
C. 
D. 0
Mathematics
Rewrite the expression without absolute value bars.
A. 0 B. ±20 C. 20 D. -20
Mathematics