The real numbers greater than or equal to -2, represented by {x: x >= -2 }, is a set. A set is simply a group of things, which you can ask if a particular element is in that set. For example, 17.273 is in {x: x >= -2}, but "apple" is not in {x: x >= -2}. In this case, the set {x: x >= -2} contains all the real numbers that are greater than or equal to -2 and nothing else.
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The answer to this is 2, and 0.
They are equal numbers
Well "real numbers" are whole numbers greater than or equal to 0. Therefore, they cannot be negative or have decimals. So in this case, the answer would be: 10 <= x < infinity
0
fifteen sixteenths, and an infinity of other numbers less than one as well as the infinity of numbers greater than or equal to one.