We were tasked to use iterated integrals over this area shaded in yellow here:
I'm confused as to how to approach this as I've only seen ones that encompass the whole space inside the closed shape made by functions. How would you suggest I go about this problem? do we break it to pieces or something? Should I just horizontally cut it up and set the upper bound to 4 and lower bound to 0? What would be a good approach for this?