Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: "nose" of the paraboloid x2 + y2 = 2z cut by the plane z = 1Density: ? = 
A. Iz = 2?
B. Iz = 16?
C. Iz = 
?
D. Iz = 
?
Answer: A
Mathematics
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Graph the equation and its tangent.Graph y = x2 + 2x - 2 and the tangent to the curve at the point whose x-coordinate is 1.
A. 
B. 
C. 
D. 
Mathematics
Give an appropriate answer.Given the function f(x, y, z) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y, z) = 
; ? = 0.01
What will be an ideal response?
Mathematics
Evaluate the expression.
?
?
A. 5 B. 2 C. 7 D. 3 E. 6
Mathematics
Find all solutions by factoring.16x2 + 24x = -9
A. 
B. 
C. 
D. 
Mathematics