Factor completely.3x3 + 3x2y - 18xy2
A. (3x2 + 6xy)(x - 3y)
B. 3x(x - 2y)(x + 3y)
C. (x - 2y)(3x2 + 9xy)
D. 3x(x + 2y)(x - 3y)
Answer: B
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Find the domain of the logarithmic function. Write your answer in interval notation.f(x) = log3(x + 9)2
A. (-9, ?) B. (-?, -9) ? (-9, ?) C. (9, ?) D. (-?, 0) ? (0, ?)
Divide. Simplify, if possible.5
÷ 
A. -1
B. -1
C. -1
D. -2
Let the universe consist of all positive integers. Let p(x) be the statement "x is even." Let q(x) be the statement "x is a perfect square." Determine the truth value of the indicated statement.[?x p(x)] ? [?x q(x)]
Fill in the blank(s) with the appropriate word(s).
Write the following as multiplication.12d3k4
A. 12d + d + d + d + k + k + k B. 12d ? d ? d ? d ? k ? k ? k C. 12d ? d ? d ? k ? k ? k ? k D. 12d + d + d + k + k + k + k