Use the product rule to simplify the expression.9x4 ? 2x-4

A. 18x-16
B. 0
C. 18
D. 18x8

Answer: C

Mathematics

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Find the work done by F over the curve in the direction of increasing t.F = -4zi + 2xj + 10yk; C: r(t) = ti + tj + tk, 0 ? t ? 1

A. W = 
B. W = 4
C. W = 8
D. W = 16

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Mathematics

Given g(x) and (g?f)(x), find f(x). g(x) = 2x2 - 7, (g ? f)(x) = 2x2 - 20x + 43

A. f(x) = x + 3 B. f(x) = x - 5 C. f(x) = x - 4 D. f(x) = x + 7

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Mathematics

Express as a sum of logarithms.log6 Z

A. log6  + log6 Z
B. log6 3Z + log6 4
C. log3 Z + log4Z
D. log6 

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Mathematics

Decide whether the pair of lines is parallel, perpendicular, or neither.12x + 4y = 1615x + 5y = 21

A. parallel B. perpendicular C. neither

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Mathematics