Solve the equation.
= 
A. 
B. 
C. 
D. 
Answer: B
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State the degree and leading coefficient of the polynomial function.f(x) = 14x4 + 3x3 - 5
A. Degree: 8; leading coefficient: 14 B. Degree: 7; leading coefficient: 14 C. Degree: 4; leading coefficient: 14 D. Degree: 14; leading coefficient: 4
Factor completely.98x2 - 50y2
A. 2(7x - 5y)2 B. (7x + 5y)(14x - 10y) C. 2(7x + 5y)(7x - 5y) D. (14x + 10y)(7x - 5y)
Solve the problem.The function A = Aoe-0.01155x 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 300 pounds of the material are initially put into the vault, how many pounds will be left after 140 years?
A. 223 pounds B. 64 pounds C. 350 pounds D. 60 pounds
Determine which of the numbers in the set below are rational.
A. 
B. 
C. 
D. 
E. none are rational