If $g(x)=\sqrt{4-3 x}$ Find the Domain Of $g^{\prime}(x)$ A) $(0, \infty)$ B) $\left(-\infty, \frac{4}{3}\right)$

If $g(x) =\sqrt{4-3 x}$ find the domain of $g^{\prime}(x)$

A) $(0, \infty)$
B) $\left(-\infty, \frac{4}{3}\right)$
C) $(-\infty, 0) \cup(0, \infty)$
D) $\left[-\frac{4}{3}, \frac{4}{3}\right]$
E) $\left[-\infty, \frac{4}{3}\right)$