Evaluate the polynomial for the given value of x.5 - 8x - 3x2, for x = 3
A. -50
B. -56
C. -28
D. -46
Answer: D
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Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Identify the numerical coefficient of the term.6y
A. y B. -6 C. 1 D. 6
Solve the problem.The function A = A0e-0.00866x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 500 pounds of the material are placed in the vault, how much time will need to pass for only 193 pounds to remain?
A. 110 yr B. 220 yr C. 120 yr D. 115 yr
Determine whether the equation defines y as a function of x. x2 + 2y2 = 1
A. function B. not a function