[tex]\text{They both are linear function, because they have linear equation.}[/tex][tex]\begin{gathered} \text{For,}\Rightarrow y=2x+1 \\ p\text{ut y=0,}\Rightarrow x=\frac{-1}{2} \\ and,\text{ x=0}\Rightarrow y=1 \\ \text{The coordintes is (0,1) and (}\frac{-1}{2},0) \\ \text{Now, you can draw the graph of line by using these points.} \end{gathered}[/tex]