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Which of the following is the inverse of y=12^x ? a. y= log 1\12x b. y= log12 1/x c. y= logx 12 d. y= log12x

Annie Barnes

in Mathematics

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Karen Wright on June 26, 2018

ANSWEREXPLANATIONWe want to find the inverse of the exponential function,The above function is an exponential function, so that we expect the reverse to be a logarithmic function.Now the exchange of x and y.We do now and the subject taking the antilogarithm of both sides to obtain,This latter function is the inverse of .Therefore the correct answer is D


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