The function chart is a set of all points (x,y) that meet the equation y=f(x) on the plane. When we can draw a vertical line that more than once crosses a graph, the graph doesn't quite create a function so, because x value has more than an output.
Given:
Basic salary [tex]= R1000[/tex]
Commission [tex]= R500[/tex]
Sold item number [tex]= x[/tex]
We have to add the base salary and the commission together to resolve the question.
So,
salary:
[tex]Y = 1000 + 500(x)\\\\Y = 1000 + 500x[/tex]
Therefore, the salary of the dealer is [tex]Y = 1000 + 500 x[/tex]
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