Write two equivalent expressions for the opposite of the polynomial.4x5y3 - 9x5y + 10x4y - 4x3
A. (-4x5y3 - 9x5y + 10x4y - 4x3),
-4x5y3 + 9x5y - 10x4y + 4x3
B. -(-4x5y3 + 9x5y - 10x4y + 4x3),
-4x5y3 - 9x5y + 10x4y - 4x3
C. -(4x5y3 - 9x5y + 10x4y - 4x3),
-4x5y3 + 9x5y - 10x4y + 4x3
D. None of these
Answer: C
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?
?
and below by the curve
?
?
from 
to 
about the 
-axis.
What will be an ideal response?
Use the quadratic formula or graphing methods to solve the inequality.4x2 + 20x + 8 ? 0
A. x ? 
? -0.438
B. x ? 
? -4.562 or x ? 
? -0.438
C. 
? -4.562 ? x ? 
? -0.438
D. x ? 
? -4.562
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A. 105 B. 10 C. 5 D. log 5
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where t is the number of minutes after injection of the drug. When will the drug be at its highest concentration? Approximate your answer rounded to two decimal places.
A. t = 3.65 minutes after the injection is given B. at the time of injection C. t = 4 minutes after the injection is given D. t = 0.55 minutes after the injection is given