Mathematics - Application of Derivative Question with Solution | TestHub

$g^{\prime }(x)$ is positive on $(-\infty ,0)$ and negative on $(0,\infty )$

$g^{\prime }(x)$ is negative on $(-\infty ,0)$ and positive on $(0,\infty )$

$g^{\prime }(x)$ changes sign on both $(-\infty ,0)$ and $(0,\infty )$

$g^{\prime }(x)$ does not change sign on $(-\infty ,\infty )$