Solve the equation by factoring.x2 + 8x = 0
A. {0, 8}
B. {8}
C. {0, - 8}
D. {- 8}
Answer: C
Mathematics
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< a + 1.103
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Solve the problem.The polynomial 
measures the concentration of a dye in the bloodstream x seconds after it is injected. Does the concentration increase between 12 and 13 seconds?
A. No B. Yes
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