Sketch D and g(D) from the description of D and change of variables 
u = xy, v = 
where D is the rectangle 1 ? x ? 4, 
? y ? 2
?
A.
 ? |  |
B.
 ? |  |
C.
 ? |  |
D.
 ? |  |
Answer: B
Mathematics
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Use the formula for future value, 
to find the missing quantity.A = $6750; P = $5000; r = 7%
A. t = 7 years B. t = 6 years C. t = 5 years D. t = 4 years
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Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
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Differentiate.Find f'(t) for f(x) = 
A. - 
B. - 
C. 
D. - 
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Solve the equation.
= 30
A. {-6, 0} B. {-6, 6} C. {0, 6} D. {6}
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