Evaluate the given binomial coefficient.
A. 42
B. 3
C. 60,480
D. 84
Answer: D
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Factor.15x2 - 16xy + 4y2
A. (3x + 2y)(5x + 2y) B. (3x + 2y)(5x - 2y) C. (3x - 2y)(5x - 2y) D. (15x + 2y)(x + 2y)
15. The Guess and Test problem-solving strategy can be useful when
(a) there are only a few possible solutions to a problem. (b) the problem suggests an equation. (c) you are trying to develop a formula. (d) you need to find the measures of the angles in a triangle. (e) there is an unknown quantity related to known quantities
Solve the problem.A drug is injected into a patient and the concentration of the drug is monitored. The drug's concentration, C(t), in milligrams after t hours is modeled by C(t) = 
.What is the horizontal asymptote for this function? Describe what this means in practical terms.
A. y = 2.00; 2.00 is the final amount, in milligrams, of the drug that will be left in the patient's bloodstream. B. y = 2.00; After 2.00 hours, the concentration of the drug is at its greatest. C. y = 0; 0 is the final amount, in milligrams, of the drug that will be left in the patient's bloodstream. D. y = 0.86; After 0.86 hours, the concentration of the drug is at its greatest.
Solve the equation.2(7 - 3x) = 
A. {-3}
B. {3}
C. 
D. {1}