Find the midpoint of the line segment with the given endpoints

The cost c, in dollars, for bananas depends on the weight w,in pounds, of the bananas. this situation is represented by the function rule c=0.5w (graph each function rule.tell whether the graph is continuous or discrete)

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

In what form is the following linear equation written y=9x+2