Use Descartes's Rule of Signs to determine the possible numbers of positive and negative zeros of the function.
?
4x5 - 8x
?
A. One negative zero
B. One negative zero or three positive zeros
C. Two negative zeros or no positive zero
D. One positive zero, one negative zero
E. One negative zero, four negative zeros
Answer: D
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region cut from the first quadrant by the circle x2 + y2 = 25
A. 
= 0, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
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Solve.13.496 + m = 38.339
A. 22.873 B. 24.933 C. 24.843 D. 24.836
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Sketch the graph of the parabola.y = (x - 4)2 + 2
A. 
B. 
C. 
D. 
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Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = 4x3 + 5x2 - 5x + 2; x + 2
A. Yes B. No
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