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math logarithmic function definition. C ba then taking the log base b of both sides giving log b c log bba. Log100 This usually means that the base is really 10.
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For x 0 a 0 and aneq1 y log a x if and only if x a y. Its Domain is the Positive Real Numbers. A logarithmic or log function is the inverse of an exponential function.
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A logarithmic function describes a function for a base. It is how many times we need to use 10 in a multiplication to get our desired number. Sometimes a logarithm is written without a base like this. Where exponentiation tells you what the value of is the logarithm tells you what value has if you know the value of.
