Use the given transformation to evaluate the integral.   Rwhere R is the parallelogram bounded by the lines    

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A. - 
B. - 
C. - 
D. - 

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Answer: C

Mathematics

Find all the first order partial derivatives for the following function.f(x, y, z) = cos x sin2 yz

A.  = -sin x sin² yz;  = z cos x sin yz cos yz;  = y cos x sin yz cos yz
B.  = -sin x sin² yz;  = 2z cos x sin yz cos yz ;  = 2y cos x sin yz cos yz
C.  = sin x sin² yz;  = -2z cos x sin yz cos yz;  = - 2y cos x sin yz cos yz
D.  = sin x sin² yz;  = - cos x sin yz cos yz;  = -cos x sin yz cos yz

Provide an appropriate response. If the discriminant of a quadratic has the value of -8, what is the nature of the roots?

A. The equation has one rational root. B. The equation has no real number roots. C. The equation has two real number roots. D. The equation has two real number equal roots.

Express each quantity as a positive or negative number.225 feet above sea level

A. +225 feet B. -225 feet

Solve the problem.A size 8 dress in Country C is size 48 in Country D. A function that converts dress sizes in Country C to those in Country D is   Find a formula for the inverse of this function.

A. f^-1(x) =  + 16
B. f^-1(x) = x - 16
C. f^-1(x) =  - 16
D. f^-1(x) =