0\end{array}\right\; \; \left\{\begin{array}{ccc}x\geq -3,5\\x>-1,5\end{array}\right\; \; \Rightarrow \; \; x\in (-1,5\, ;\, +\infty \, )" alt="f(x)=\dfrac{\sqrt{2x+7}}{\sqrt{3+2x}}\\\\OOF:\; \; \left\{\begin{array}{ccc}2x+7\geq 0\\3+2x>0\end{array}\right\; \; \left\{\begin{array}{ccc}x\geq -3,5\\x>-1,5\end{array}\right\; \; \Rightarrow \; \; x\in (-1,5\, ;\, +\infty \, )" align="absmiddle" class="latex-formula">