Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the first-quadrant portion of the circle
if the density of the rod is 
A. 
= 
?, 
= 
?
B. 
= 0, 
= 
?
C. 
= 2?, 
= 2?
D. 
= 
?, 
= 
?
Answer: D
Mathematics
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Refer to the figure to classify the statement as true or false.
and 
are intersecting lines.
A. True B. False
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
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Use the rational zeros theorem to determine the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = -4x4 + 3x2 - 2x + 6
A. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
B. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 4
C. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
D. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 4, ± 6
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Determine whether the given value is a solution to the given equation.Is 4.2 a solution to x + 8.8 = 13?
A. Yes B. No
Mathematics