Is the following relation a function?

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Which system of linear inequalities is represented by the graph? !

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.