Find the LCD for the given rational expressions., 

A. (4x - 3)(2x + 5)(x + 5)
B. (2x - 5)(x - 5)
C. (4x + 3)(2x - 5)(x - 5)
D. (4x + 3)2(2x - 5)(x - 5)

Answer: C

Mathematics

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The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 4 sin t - cos tFind the body's acceleration at time t = ?/4 sec.

A. -   m/sec2
B.   m/sec2
C. -   m/sec2
D.   m/sec2

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Write the equation of the axis of symmetry.f(x) = -2x2 + 16x - 37

A. x = 4 B. x = 5 C. x = -5 D. x = -4

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Simplify.( + 3)( - 3)

A. 7 - 2
B. 16
C. 4
D. -2

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Mathematics

Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -5, multiplicity 2; 5, multiplicity 1; degree 3

A. x3 - 5x2 - 25x + 125 B. x3 + 10x2 - 25x - 125 C. x3 + 5x2 - 25x - 125 D. x3 - 5x2 - 50x + 125

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Mathematics