Respuesta :

By using change base formula which is :
log x to the base b = (log x)/(log b) to a new base

∴ log₄(x+3) = log (x+3) / log 4
and
 log₂(2+x) = log (2+x) / log 2

∴ the correct answer is number one

See the attached figure.
Ver imagen Matheng