SOLUTION: Can I have some help writing this as 1 log?
4log(x - 5) - 7log(x + 1)
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Question 629343: Can I have some help writing this as 1 log?
4log(x - 5) - 7log(x + 1)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Use
\ =\ n\log_b(x))
to write
\ =\ \log(x\ -\ 5)^4)
and
\ =\ \log(x\ +\ 1)^7)
Then use "The difference of the logs is the log of the quotient" as in:
 - \log_b(y) = \log_b\left(\frac{x}{y}\right))
Just make the appropriate substitutions.
John
My calculator said it, I believe it, that settles it
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