Question

Which of the following is true?


The domain of the function f(x) = log5x is all real numbers less than zero. (base is 5)

The base of a logarithmic function can be a negative number.

The base of a logarithmic function can be zero.

The range of the function f(x) = log5x is all real numbers. (base is 5)

Answer 1

option d

Answer 2

f(x) can be negative when 0<x<=1
else where f(x) positive