look f(x)=y so it is asking to you what is the y when x is 2 and if you will put istead x of any numbers like 1,2,3... you will find points of (x,y) and how graph is look like
look f(x)=y so it is asking to you what is the y when x is 2 and if you will put istead x of any numbers like 1,2,3... you will find points of (x,y) and how graph is look like