To plot a graph from its equation, substitute different values of 𝑥 into the equation to give the corresponding 𝑦-coordinates. The pairs of 𝑥 and 𝑦 values can be recorded in a table ...

For country ( Column A)=AR I am plotting line charts for different C=1,2 and 3 on same plot. In the Y axis I will have column D and on X axis I will have column B. Similary for different country.