Find the second derivative.r = 
- 
A. 
- 
B. 
+ 
C. - 
+ 
D. 
- 
Answer: A
Mathematics
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A. 3x2 + 45x + 132 B. 3x2 + 43x + 132 C. 3x2 + 45x + 45 D. 3x2 + 132x + 45
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Complete.44 pt = qt
A. 88 B. 11 C. 176 D. 22
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Solve using the percentage formula.140 of 280 is what percent?
A. 100% B. 200% C. 40% D. 50%
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Evaluate the expression for the given value or values.-xy for x = 5, y = 93
A. 465 B. 458 C. -458 D. -465
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