Find the moment or center of mass of the wire, as indicated.Find the moment about the y-axis of a wire of constant density that lies along the curve y = x2 from 
to
A. 
B. 
C. 
D. 2
Answer: C
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Which of the following describes the common meaning of the Distance Formula? ?
A. The sidewalk length between the intersection of one street and the intersection of another street. B. ?The distance, "as the crow flies".? C. ?The shortest walking distance.? D. ?The shortest driving distance.? E. None of the above.?
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(1, 7)} B. no solution; ? C. {(-8, 0)} D. {(0, 8)}
Solve the given third- or fourth-order differential equation.D4y + 4 D3y - 9 D2y - 36 Dy = 0
A. y = c1e3x + c2e-3x + c3e4x B. y = c1 + c2e3x + c3e-3x + c4e4x C. y = c1 + c2e3x + c3e-3x+ c4e-4x D. y = c1e3x + c2e-3x+ c3e4x
Find the vertex of the parabola.f(x) = 2x2 - 20x + 54
A. (5, 4) B. (-4, -5) C. (4, 5) D. (-5, -4)