Question

Which of the following statements is true?

An exponential function is the inverse of a logarithmic function.

The base of the logarithmic function f(x) = log5x is unknown.

The range of the logarithmic function f(x) = log5x is all real numbers less than zero.

The domain of the logarithmic function f(x) = log5x is all real numbers.

Answer 1

The first one.

Answer 2

Log is exactly that, the inverse of the exp function.