Question

The base of a logarithmic function is a negative real number.

always
sometimes
never

Answer 1

Never
Bases are always positive, just a fact

Answer 2

oh ok thx! :)

Answer 3

and by the change of base rule

\[\Large \log_{b}(x) = \frac{\log(x)}{\log(b)}\]

means that if \(\Large b \le 0\) then the log is undefined