وارون تابع $f(x)=-\sqrt{\frac{x+7}{2}}-3$ کدام است؟
1 )
${{f}^{-1}}(x)=2{{x}^{2}}+12x+11\,\,;\,\,x\ge -7$
2 )
${{f}^{-1}}(x)=-2{{x}^{2}}-12x-25\,\,;\,\,x\ge -7$
${{f}^{-1}}(x)=2{{x}^{2}}+12x+11\,\,;\,\,x\le -3$
4 )
${{f}^{-1}}(x)=-2{{x}^{2}}-12x-25\,\,;\,\,x\le -3$