Factor by grouping.x3 + 5x2 + 8x + 40
A. (x - 5)(x3 + 8)
B. (x + 5)(x2 - 8)
C. (x + 5)(x2 + 8)
D. (x + 5x)(x2 + 8)
Answer: C
Mathematics
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Solve the problem.Suppose that f is continuous and that 
and 
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.
A. 8 B. -8 C. -4 D. 4
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The concentration, in milligrams per deciliter, of a drug in the bloodstream t hours after it is administered is
?
.
When is the maximum concentration achieved?
?
A. After 6 hours B. After 2.84 hours C. After 5 hours D. After 1.84 hours
Mathematics
Find the difference.- 
- 
A. - 
B. - 
C. - 1
D. 
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Follow the order of operations to work the problem.-2 + (24 - 14)
A. 40 B. 36 C. 8 D. -8
Mathematics