Write as the sum and/or difference of logarithms. Express powers as factors.log4

A. log4x - 3
B. - 3log4x
C. 12 -  log4x
D. log4x - 3

Answer: D

Mathematics

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Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x| ? 3

A. (-?, -3] ? [3, ?)

B. (-3, 3)

C. [-3, 3]

D. (-?, 3]

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Mathematics

State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = ,  b = 

A. Perpendicular B. Parallel, opposite directions C. Parallel, same direction D. Neither

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Mathematics

Simplify the expression. All exponents should be positive integers.

A. x3 B. 9x4 C. 9x3 D. x4

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Mathematics

Find an equation y = mx + b that models the quantity y after x units of time.A quantity y is initially 20 and increases at a rate of 3 per minute.

A. y = 3x + 20 B. y = 20x + 3 C. y = 20x - 3 D. y = -3x + 20

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Mathematics