[S4K]

المشاركة الأصلية كتبت بواسطة memy Find an expression for the function whose graph is the line segment joining the points (3, -5) and (7, 5). (Assume that these points are in the form (x, f(x)).) بليز ساعدوني ماعرفته

y=5/2x-25/2

3=<x=<7