How do you write an equation to represent a real-world situation

It depends, for what equation you want to write. Like, do you want to do addition or subtraction? I usually use like my everyday life to represent a real-world situation problem. For example, Amber have 30 bags of chips, she ate 10 bags. How many bags does she have left? 20 bags (30 - 10 = 20)

step-by-step explanation:

through just a quick inspection, one can see that the graph of this cubing function starts in quadrant iii and ends in quadrant i.   when x = 0, y = 3, so the y-intercept is (0, 3).

if graphs are part of the problem statement, share them.   .