Find the Jacobian for the given transformation.x = 4u cosh 5v, y = 4u sinh 5v
A. 100u
B. 100v
C. 80v
D. 80u
Answer: D
Mathematics
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Using Green's Theorem, calculate the area of the indicated region.The astroid r(t) = (10 cos 3 t)i + (10 sin3 t)j, 0 ? t ? 2?
A. 75?
B. 
?
C. 2?
D. 
?
Mathematics
Solve the problem. Round answer to the nearest tenth, if necessary.The position of an object moving in a straight line is given by s
= t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long will it take the object to move 
?
A. 9.7 sec B. 20.0 sec C. 9.9 sec D. 20.9 sec
Mathematics
Find the product.-9x(10x - 5)
A. 10x2 + 45x B. -90x2 - 5x C. -45x2 D. -90x2 + 45x
Mathematics
Find a general term, an, for the given terms of the sequence.
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
Mathematics