Simplify.

A.
B.
C.
D.


Answer: B

Mathematics

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Provide an appropriate response. Find the product (2x - 3)3 by using the fact that (2x - 3)3 = (2x - 3)(2x - 3)2.

A. 8x3 - 12x2 - 24x - 27 B. 8x3 - 36x2 + 54x - 27 C. 8x3 - 27 D. 8x3 - 12x2 - 18x + 27

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Solve the problem.The speed of a stream is 5 mph. If a boat travels  downstream in the same time that it takes to travel  upstream, what is the speed of the boat in still water?

A. 15 mph B. 18 mph C. 17 mph D. 10 mph

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Find the domain of the logarithmic function.f(x) = log7(x2 + 4x + 4)

A. (-2, ?) B. (-?, -2) ? (-2, ?) C. (2, ?) D. (-?, 0) ? (0, ?)

Mathematics

Find the value of the determinant.

A. -2 B. 34 C. 2 D. -42

Mathematics