And this is also approximate of the area under the curve. So hopefully this satisfies you that if you are able to calculate the area under the curve. And actually, this one's pretty easy because it's a trapezoid. But even if this was a function, if it was kind of a wacky function, it would still apply. That when you're calculating the area under the curve of the velocity function, you are actually figuring out the change in position. These are the two things. Well, we already know what could we do to get the exact area under the curve or to get the exact change in position.