SOLUTION: If f(x) = log 5x, what is f(1/5)

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Question 253214: If f(x) = log 5x, what is f(1/5)
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
If f(x) = log_5x, what is f(1/5)?
THe x goes away and the number comes to stay.
F(1/5) = log_5(1/5)
What is the value of log_5(1/5)?
5^y = 1/5
y = -1