The following expressions represent denominators of rational expressions. Find their LCD.x2 + 6x + 5 and 2x + 10

A. 2(x - 1)(x - 5)
B. 2(x + 1)(x - 5)
C. 2(x - 1)(x + 5)
D. 2(x + 1)(x + 5)

Answer: D

Mathematics

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Determine the indefinite integral. Check your work by differentiation.dx

A. 18x2 - 3 + C
B. 18x4 - 6x2 + 3x + C
C. x4 - x2 + 3x + C
D. 6x4 - 3x2 + 3x + C

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Mathematics

Without graphing, find the line of symmetry.f(x) = -(x + 3)2 - 3

A. x = 3 B. x = -2 C. x = -4 D. x = -3

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Mathematics

Determine if the following is an identity or contradiction.2x + 3 = 2(x + 1) + 1

A. Identity B. Contradiction

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Mathematics

Determine whether the situation or equation represents direct or inverse variation.The frequency that you brush your teeth and the length of time that you retain all your teeth

A. Direct B. Inverse

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Mathematics