Explanation:
The inequalities are given below as
[tex]\begin{gathered} x\ge0 \\ y\ge0 \\ x+2y\leq4 \\ x-y\leq1 \end{gathered}[/tex]Hence,
By using a graphing tool, we will have the corner points be
Hence,
The corner points are
[tex]\left(0,0\right),(2,1),(0,2),(1,0)[/tex]