Math, Mathematics, Mathematics Education, Calculus, Learning.
limit! If we let our previously defined distance Δx approach zero, then instead of being a finite distance apart, the x-values x₁ and x₁+ Δx will be infinitely close to each other. And if these two x-values are infinitely close to each other, so must the y-values f(x₁) and f(x₁+Δx) also be