Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Iz about the z-axis, where r(t) = (3 cos t)i + (3 sin t)j, 0 ? t ? 
; 
A. Iz = 0
B. Iz = 135
C. Iz = 15
D. Iz = 135
Answer: D
Mathematics
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Simplify the factorial expression.
A. 1 B. 0! C. 4 D. 6
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Find all rational zeros and factor f(x).f(x) = 12x3 + 61x2 + 4x - 5
A. - 
, 
, -5; f(x) = (3x + 1)(4x - 1)(x + 5)
B. - 3, 4, -5; f(x) = (3x + 1)(4x - 1)(x + 5)
C. - 
, 1, -5; f(x) = (12x + 1)(x - 1)(x + 5)
D. - 3, 4, -5; f(x) = (x + 3)(x - 4)(x + 5)
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Use the given graph of f(x) = ax2 + bx + c to solve the specified inequality.f(x) > 0
A. x = 0 B. x > 6 C. All real numbers D. No solutions
Mathematics
For the given graph of a one-to-one function f(x), graph its inverse function f-1(x) using a dashed line.
A. 
B. 
C. 
D. 
Mathematics