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How do I do this I don’t get itt

How do I do this I don’t get itt-example-1
User Sbaechler
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domain is how far it travels in the x axis. for this, it would be [0, infinity) usually you’d use an infinity sign, but i can’t find that on my phone. range is same as domain but for y axis. so here it’ll be (-infinity, infinity). you use these [] when you can be on the number. you use there () when you can’t be on the number (or it’s infinity). you use {} when you want to list them.
User Sharelle
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