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 + 7x3 - 4x2 + 6x - 5
A. 0 or 2 positive; 0, 2, or 4 negative
B. 0, 2, or 4 positive; 0, 2, or 4 negative
C. 0, 2, or 4 positive; 0 negative
D. 0 or 2 positive; 0 negative
Answer: C
Mathematics
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What is the minimum value of 
? Restrict your attention to the horizontal span of 0 to 20. Round your answer to two decimal places.
?
A. -74.69 B. 5.47 C. -70.70 D. 4.44
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Insert < or > in the area between the integers to make the statement true.8 
-8
A. 8 > -8 B. 8 < -8
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Integrate the function.
dx
A. 
tan-1 
+ 
+ C
B. sin-1 
+ 
+ C
C. sin-1 
+ 
ln (
) + C
D. 
+ C
Mathematics
Solve. Round to the nearest percent if necessary.A company increased the number of its employees from 70 to 133. What was the percent of increase?
A. 47% B. 190% C. 90% D. 63%
Mathematics