Infinity added to the biggest negative number you can think of (or minus the biggest conceivable positive number) is still infinity. It can kinda be almost anything I want. But on the infinite cylinder tan(x) is continuous because -infinity == +infinity. How long will it take to cook a 12 pound turkey? New comments cannot be posted and votes cannot be cast. thank you so much for this explanation. Thanks, I appreciate your help. Infinity minus infinity, due to the nature of infinity, can be zero, infinity, or minus infinity (I - I = -I, 0, I). Press question mark to learn the rest of the keyboard shortcuts. i mean, take any old x/y cartesian coordinate system. Infinity added to the biggest negative number you can think of (or minus the biggest conceivable positive number) is still infinity. What is the contribution of candido bartolome to gymnastics? You can't even have a set with negative one numbers in it. I'm sort of confused here. Ok I think I know what bothers you. So whenever you can, instead of thinking infinity like a really huge number, start thinking of it more like one of the processes mentioned above. But what /u/needtolearnalot said makes absolute sense. What is the birthday of carmelita divinagracia? The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. Properties of Infinity Addition with Infinity Infinity Plus a Number Infinity Plus Infinity Infinity Minus Infinity Multiplication with Infinity Infinity by a Number Infinity by Infinity Infinity by Zero Division with Infinity and Zero Zero over a Number A Number over Zero A Number over Infinity Infinity over a Number… After all, any number subtracted by itself is equal to zero, however infinity is not a real (rational) number. so, you can differentiate it. Right? Something that increases asymptotically has a limit of positive infinity, but something that decreases asymptotically has a limit of negative infinity. Infinity added to the biggest negative number you can think of (or minus the biggest conceivable positive number) is still infinity. What is plot of the story Sinigang by Marby Villaceran? Edit: Often enough "infinity" is about the process of numbers getting smaller/larger or about moving along the number line into positive or negative direction. The infinity symbol is a mathematical symbol that represents an infinitely large number. you hit the nail on the head. Now consider the points where x=π÷2+2×n×π. Looks like you're using new Reddit on an old browser. A million plus negative a thousand is still positive, but a million doesn't include negative a thousand. It's just infinity. 1.00) for Nintendo emulator online Free, Famicom games. How long does it take to cook a 23 pound turkey in an oven? How long will the footprints on the moon last? Why don't libraries smell like bookstores? The arrows signify that the line stretches on ... and on and on and on ..... Then someone asks you to take hte limit of the reciprocal function and to differentiate it at x=0. Ask a science question, get a science answer. You can't have a set with negative infinity numbers in it. It's just a sign, like you said. I think you are on spot with your not-a-set-suggestion, but I wouldn't recommend thinking of a big number either. No. but the point ... isn't hte point itself dependent on the existence of infinity? You can't even have a set with negative one numbers in it. I'm not sure what that means. The infinity symbol is written with the Lemniscate symbol: ∞ It represents an infinitely positive big number. And yes the set of integers is infinite and thus contains all the negative and positive numbers, but when we write "∞" we are using it as a dummy sign to say the hugest value possible from a certain infinite set we can come up with. I'm in charge of it. This has NOTHING NOTHING NOTHING to do with anying you've ever heard or thought about infinity, the cosmos, big numbers, God, or anything else that people associate with the word "infinity.". Who of the proclaimers was married to a little person? Whenever you see "∞" replace it with the biggest number you can come up with (obviously once you start you will never end, but for simplicity just imagine a really really huge number).