Write the expression as a sum, difference, or multiple of logarithms.logb

A. 3 log_bx - log_by + log_bz
B. log_bx9 - log_by7 - log_bz4
C. 3 log_bx - log_by - log_bz
D. 9 log_bx - 7 log_by - 4 log_bz

Answer: C

Mathematics

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Use a quantifier to make the following true or false, as indicated, where x is a natural number.12x = 5x + 7x (make false)

A. More than one natural number x exists such that 12x = 5x + 7x. B. For every natural number x, 12x = 5x + 7x. C. There exists a natural number x such that 12x = 5x + 7x. D. There is no natural number x such that 12x = 5x + 7x.

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Mathematics

Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2

A. log₂m +  log₂n -  log₂k
B. 5 log₂m + 9 log₂n - 2 log₂k
C. log₂m +  log₂n - 2 log₂k
D. log₂m ?  log₂n ÷ 2 log₂k

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Mathematics

Find the actual difference.0.25 - (-7.468)

A. 1.867 B. 7.818 C. 7.718 D. 7.218

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Mathematics

Write the expression in standard form. ?

A. -63 B. 63 C. 63i2 D. -63i

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Mathematics