Evaluate the expression for the given value or values.-2x2 + 6x - 2  for x = -1

A. -10
B. 2
C. -6
D. 6


Answer: A

Mathematics

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Solve the problem.Find the center of mass of the rectangular solid of density  defined by .

A.  =  = 2,  = 
B.  =  =  = 
C.  =  = 1,  = 
D.  =  =  = 

Mathematics

Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 4x2 + 9y2; R = {(x, y): 0 ? x ? 1, 0 ? y ? 1}

A.
B.
C.
D.

Mathematics

Find the Cartesian coordinates of the given point.(9, 0)

A. (0, 9) B. (0, -9) C. (-9, 0) D. (9, 0)

Mathematics

Evaluate the integral using the given substitution. dx , u = 7x - 4

A. (7x - 4)-2 + C
B. (7x - 4)-2 + C
C. - 3(7x - 4)-2 + C
D. (7x - 4)-4 + C

Mathematics