Which of the following is true?

Question

anonymous · Answer

A logarithmic function is not the inverse of an exponential function.

 The base of a logarithmic function can never be a negative number.

 The domain of the logarithmic function f(x) = log2x is all real numbers.

 The range of the logarithmic function f(x) = log2x is all real numbers less than zero

anonymous · Answer

The base can never be a negative number.

anonymous · Answer

Given a negative real number $-\eta$, can you find a real number $x$ such that $(-\eta)^x=\eta$ ?
Answer this question and you will have your answer.

anonymous · Answer

Thanks so much! that's which one i thought it would be but I wasn't sure! :D

anonymous · Answer

Log is the inverse of an exp
The domain of log is not all real numbers because isn't defined for x=0

anonymous · Answer

You're welcome!