# Domain of $y=log(1+x)$ is ?

$\begin{array}{1 1} (0, \infty ) \\ (-1, \infty ) \\ (1, \infty) \\ [-1, \infty) \end{array}$

Toolbox:
• $logx$ is defined for x$> 0$
$1+x > 0$
$\Rightarrow x > -1$
Domain is $(-1,\infty)$
answered May 17, 2013
edited May 17, 2014