SOLUTION: Is a logarithm function always have a range of all real numbers?

Question 1134274: Is a logarithm function always have a range of all real numbers?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

Remember that since the logarithmic function is the inverse of the exponential function, the domain of logarithmic function is the range of exponential function, and vice versa.
A simple exponential function like has as its the of numbers. But its is the real numbers.
Therefore, the of the logarithmic function is the set of numbers and the is the of .
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