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.F(x) = 5x5 - 9x4 + 2x3 - 9
A. 1 positive; 1 or 3 negative
B. 1 or 3 positive; 1 or 3 negative
C. 0, 2, or 4 positive; 0 negative
D. 1 or 3 positive; 0 negative
Answer: D
Mathematics
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Sketch the graph of the parabola.y = x2 + 3
A. 
B. 
C. 
D. 
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Find the values of x and y.
= 
A. x = 3, y = 4
B. x = 
, y = 4
C. x = 5, y = 6
D. x = 3, y = 
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Classify the statement as an example of theoretical or experimental probability.The probability that the number 22 bus will be late is 0.35.
A. experimental B. theoretical
Mathematics
Use half-angle formulas to find the exact value for the following:
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?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics