Factor the polynomial completely.4x3 + 4x2y - 24xy2
A. 4x(x - 2y)(x + 3y)
B. (x - 2y)(4x2 + 12xy)
C. (4x2 + 8xy)(x - 3y)
D. 4x(x + 2y)(x - 3y)
Answer: A
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Find the indicated term for the sequence.Find the 5th term of the sequence whose general term is an = .
A.
B.
C.
D.
Write the improper fraction as a mixed or whole number.
A.
B. 9
C. 62
D. 64
Solve the problem. =
A. 74 B. 1 C. 75 D. 76 E. none of these
Solve the problem.A nuclear scientist has a sample of of a radioactive material which has a half-life in hours. She monitors the amount of radioactive material over a period of a day and obtains the following data. Use a graphing utility to fit an exponential function to the data. Predict the amount of material remaining at 40 hours.
.
A. y = 86e-0.071x, 5.0 mg B. y = 100e-0.077x, 4.6 mg C. y = 92e-0.0686x, 5.9 mg D. y = 100e-0.077x, 6.7 mg