So let me draw these boundaries right over here. That's our left boundary. This is our right boundary and we wanna think about this area right over here. Well, without calculus, you could actually get better and better approximations for it. How would you do it? Well, you could divide this section into a bunch of delta x's that go from a to b. They could be equal sections or not, but let's just say for the sake of visualizations, I'm gonna draw roughly equal sections here.