Solve the proportion and check. = 

A. 1450
B. 30
C.
D. 4


Answer: B

Mathematics

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Solve the quadratic inequality symbolically. Write your answer in interval notation.x2 - 13x + 42 > 0

A. (-?, 6) B. (-?, 6) ? (7, ?) C. (6, 7) D. (7, ?)

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A. 25x2 + 30x + 9 B. 25 + 30x + 9x2 C. 25 + 9x2 D. 25 + 30x + 3x2

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Find the x-value of all points where the function has relative extrema. Find the value(s) of any relative extrema.f(x) = (ln 3x)2, x > 0

A. (3e, 0), relative minimum
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C. , relative minimum
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