1) \( c(4,-3) \)
2) fransyerve axis \( \rightarrow \) vertical
3)
\[
\begin{array}{l}
a=9 \\
b=1 \\
c=\sqrt{17} \approx 4.72
\end{array}
\]
9)
\[
\begin{array}{l}
v_{1}(4,1) \\
y_{2}(4,-7) \\
f_{1}(4, c-3+\sqrt{17)}) \hat{f}_{13} \\
f_{2}(4,(3-\sqrt{17})) f_{-12}
\end{array}
\]
\[
\begin{array}{l}
W_{1}(5,-3) \\
W_{2}(3,-3)
\end{array}
\]
