Accedmychevron_right11thchevron_rightmathchevron_rightTheory Of Quadratic Functionschevron_rightExercise 3.1

(i)

f1(x)=x+3\boxed{f^{-1}(x)=-\sqrt{x+3}} Dom(f1)=[3,),  Ran(f1)=(,0]\boxed{\text{Dom}(f^{-1})=[-3,\infty),\;\text{Ran}(f^{-1})=(-\infty,0]}