How do you evaluate g(x)=logbx for x=b−3? Precalculus Properties of Logarithmic Functions Logarithm-- Inverse of an Exponential Function 1 Answer Azimet Jan 18, 2017 g(b−3)=−3 Explanation: In general, logaan=n, because logab is the power a must be raised to, to get b. So, in our case, −3 is the power b needs to be raised, in order to get b−3. logbb−3=−3. Answer link Related questions What is a logarithm? What are common mistakes students make with logarithms? How can a logarithmic equation be solved by graphing? How can I calculate a logarithm without a calculator? How can logarithms be used to solve exponential equations? How do logarithmic functions work? What is the logarithm of a negative number? What is the logarithm of zero? How do I find the logarithm log14164? How do I find the logarithm log23(827)? See all questions in Logarithm-- Inverse of an Exponential Function Impact of this question 1911 views around the world You can reuse this answer Creative Commons License