So maybe we could say that this is f and that this is f prime. Now let's look at the second graph. What would its derivative look like? So over here, our slope is quite negative, and it becomes less and less and less negative until we go right over here where our slope is zero. So our derivative would intersect the x-axis right over there. It would start out negative, and it would become less and less and less negative, and at this point, it crosses the x-axis, and then it becomes more and more positive. So we see here, our derivative becomes more and more positive, but then right around here, it seems like it's getting less positive again.