Určenie oboru hodnôt funkcií

\( \begin{array}{l}H(a)=\langle 1 ; 5) \\ H(b)=\langle-3 ;-2\rangle\end{array} \)
\( \begin{array}{l}H(a)=\langle 1 ; 5) \\ H(b)=\langle-2 ;-1\rangle\end{array} \)
\( \begin{array}{l}H(a)=\langle 0 ; 4) \\ H(b)=\langle-3 ;-1\rangle\end{array} \)
\( \begin{array}{l}H(a)=\langle 2 ; 6) \\ H(b)=\langle-1 ; 0\rangle\end{array} \)