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
Answer: B
Mathematics
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Determine convergence or divergence of the series.
A. Diverges B. Converges
Mathematics
Solve the problem.The equation D = 
gives the number of diagonals D for a polygon with n sides. Find the number of sides n for a polygon that has 65 diagonals.
A. 14 sides B. 10 sides C. 13 sides D. 3 sides
Mathematics
Find the PE ratio. Round to the nearest whole number.Stock: HechingerCurrent Price per Share: $16.68Annual Net Earnings per Share: $1.20
A. 15 B. 14 C. 16 D. 12
Mathematics
Solve the system of equations.4x1 - x2+ 3x3 = 122x1 + 9x3 = -5 x1 + 4x2 + 6x3 = -32
A. (2, 7, -1) B. (2, 7, 1) C. (2, -7, -1) D. (2, -7, 1)
Mathematics