Express as a single logarithm and, if possible, simplify.ln (18x + 9) - 2 ln 3

A. ln (18x)
B. ln (2x + 1)
C. ln (3x + 2)
D. ln (81(2x + 1))


Answer: B

Mathematics

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Indicate whether the statement is true or false.34 is a positive integer.

A. True B. False

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Factor the perfect square trinomial completely.x4 + 10x2 + 25

A. (x2 - 5)2 B. (x2 + 5)2 C. (x2 + 10)(x2 - 10) D. (x2 + 5)(x2 - 5)

Mathematics

Write the first five terms of the arithmetic sequence.a1 = -30, d = 7

A. -16, -9, -2, 5, 12 B. -30, -23, -16, -9, -2 C. -2, -9, -16, -23, -30 D. -16, -23, -30, -37, -44

Mathematics

Determine if the given ordered triple is a solution of the system.(1, 2, 3)5x + 5y + z = 184x - 2y - z = -34x + y + 3z = 15

A. not a solution B. solution

Mathematics