Differentiate.Find y' for y = 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Find the centroid of the region in the first quadrant bounded by the curve y = 3 cos x and the axes.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics
Solve the inequality.log2 (4x + 2) ? 3
A. x ? 
B. x ? - 
C. x ? 
D. x ? 
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = -2x4 + 6x3 - 8x2 + 3x - 2
A. 0, 2, or 4 positive; 0 negative B. 0 or 2 positive; 0 negative C. 0, 2, or 4 positive; 0, 2, or 4 negative D. 0 or 2 positive; 0, 2, or 4 negative
Mathematics
Find the exact value of the expression.csc(-240°)
A. - 
B. 
C. -2
D. 
Mathematics