In mathematics, the symbol or notation means greater than or equal to 3. This inequality indicates that a given variable or unknown quantity can take a value of 3 or any number strictly greater than 3, extending infinitely upwards. For example, if x is greater than or equal to 3, valid values include 3, 3.1, 4, 10, and 100, but exclude numbers like 2.9 or 1. This mathematical expression is widely used in algebra, domain definitions, constraints, and conditions to define acceptable boundaries for numbers.
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