Which was the first Sci-Fi story to predict obnoxious "robo calls"? This is the issue that a lot of people had in the development of the calculus. X is any number that is not zero so x could be 1, 2, 3, 4, but it's not zero. Or if I am defining what it means to divide by anything that if I then multiply by that something, that I should get my original number. We also have a special notation to talk about limits. We can also see how we can get as close as we want to. Limits describe how a function behaves near a point, instead of at that point. It is described basically under logarithm concepts. Clair has five cookies above her name. When a limit doesn't approach the same value from both sides, we say that the limit doesn't exist. Direct link to Peter Collingridge's post If you have 0 apples and , Posted 11 years ago. But what about when x DOES equal zero. Infinity is the concept that there is no largest number. Direct link to K M's post In problem 5 why can one , Posted 3 years ago. Mathematical Terminology (A-Z) Amplitude When an object or point moves in a cyclic pattern, or is subject to vibration or oscillation (e.g. Function h is graphed. Take this case:5=20/4 This means that 4*5=20 yes? And I am not willing to give up the idea that anything times 0 is 0. Similarly, the mass of a hydrogen atom would be 1.67E-27 (or 1.67e-27). Whether there is a point at f(x)= 6 or a hole, that would not change that there still is a limit, unless a jump occurs between the two leading lines. There's always another one, and another one. I can't give this up. Mean | Definition, Formula, & Facts | Britannica Bob has two bananas above his name. Direct link to Beaniebopbunyip's post Youll use limits for bas, Lesson 2: Defining limits and using limit notation. Scientific notation works by reducing down the number to only have one number less than 10 in front of the decimal point. Set Symbols. The solution was quite clever, the idea is that you can get "arbitrarily close" that is given any epsilon positive there's a delta such that |x-a| < delta implies |f(x) - f(a)| < epsilon. Ubuntu won't accept my choice of password. Rather than say "if P then Q, and if Q then P" we instead say "P if and only if Q."