Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log8

A. - log8x
B. 1 - log8x
C.
D. 8

Answer: B

Mathematics

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If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."f(x) = 4x2 + 8

A. f -1(x) = ± 
B. f -1(x) = 
C. Not one-to-one
D. f -1(x) = 

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Mathematics

Divide.-  ÷ 

A. -1
B. 5
C. -5
D. -  

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Mathematics

Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. -6x + 6y = -244x + 2y = -8

A. infinitely many solutions and dependent B. (0, -4); consistent and independent C. (-1, -3); consistent and independent D. (0, -3); consistent and independent

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Mathematics

Perform the indicated operation.Find (f - g)(x) if f(x) =  - 2 and g(x) = 2 + 2

A. 4 - 4
B. 0
C. -4
D. 4

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Mathematics