Question #4840b Precalculus Properties of Logarithmic Functions Logarithm-- Inverse of an Exponential Function 1 Answer Ratnaker Mehta Apr 12, 2017 Knowing that, #a^x=y iff x=log_a y.# #2^x=17# #rArr :.x=log_2 17=log_10 17/log_10 2...[because, "Change of Base]"# #~~(1.2304)/(0.3010)~~4.087# 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 #log_(1/4) 1/64#? How do I find the logarithm #log_(2/3)(8/27)#? See all questions in Logarithm-- Inverse of an Exponential Function Impact of this question 1083 views around the world You can reuse this answer Creative Commons License