Factor out the greatest common factor.2x4 + 12x3
A. 2x3(x + 6)
B. 2x3(2x + 6)
C. x3(2x + 12)
D. 2x4(x + 6)
Answer: A
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Solve the problem. Round your answer to two decimal places.Scores on a test are normally distributed with a mean of 118 and a standard deviation of 15. What is the exam score corresponding to a standard score of 1.92?
A. 118.13 B. 89.2 C. 146.8 D. None of the above
Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of hydrogen sulfide dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table as a representation of this relationship. Write the data from the table as ordered pairs (x, y), where x represents the time and y represents the amount dissolved.
A. (1, 22.0), (2, 24.4), (3, 26.4), (4, 28.4), (5, 30.2) B. (4, 22.0), (8, 24.4), (12, 26.4), (16, 28.4), (20, 30.2) C. (0, 22.0), (4, 24.4), (8, 26.4), (12, 28.4), (16, 30.2) D. (22.0, 4), (24.4, 8), (26.4, 12), (28.4, 16), (30.2, 20)
For the functions f(x) and g(x), determine the domain of (f - g)(x) (the difference of f and g).f(x) = 
, g(x) = 
A. {x ? x is a real number and x ? 3 and x ? -5} B. {x ? x is a real number} C. {x ? x is a real number and x ? 3} D. {x ? x is a real number and x ? -3 and x ? 5}
Solve the equation by completing the square.49x2 + 98x + 45 = 0
A. 
B. 
C. 
D. 