Solve.Find the intersection: {-5, 0, 2, 5} ? {2, 5, 7}.
A. {2, 5}
B. {-5, 0, 2, 5, 7}
C. {-5, 0, 2, 5}
D. {2, 5, 7}
Answer: A
Mathematics
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= 
What will be an ideal response?
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Find the center of mass of a thin plate of constant density covering the given region.The region between the x-axis and the curve y = 6csc2 x, 
? x ? 
A. 
= 
, 
= 8
B. 
= 
, 
= 4
C. 
= 
, 
= 9
D. 
= 
, 
= 6
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Give the largest interval where the function increases or decreases, as requested.f(x) = 2x2 + 1; increases
A. (-?, 0)
B. 
C. 
D. (0, ?)
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Determine the coefficient and the degree of each term in the polynomial.4x5 + 2x6 - x
A. Coefficients: 4, -2, 1; degrees: 5, 6, 0 B. Coefficients: 5, 6, 1; degrees: 4, 2, -1 C. Coefficients: 4, 2, -1; degrees: 5, 6, 1 D. Coefficients: 5, 6, 1; degrees: 4, -2, -1
Mathematics