AND for which 2x i greater or equal to 0 (because if 2x is negative, the square root of it cannot be calculated) The last inequation, , is solved as follows adding 2 to both sides we have Multiplying by 1 (and not forgetting to swap the sign), we have So x must be smaller or equal than 2, but also x cannot be 1, from the first conditionThis symbol, "1 1 / 2", is called a "mixed number", because it combines the "regular" number "1" with the fraction "1 / 2 " While mixed numbers are the natural choice for spoken English (and are therefore wellsuited to the answers of word problems), they aren't generally the easiest fractions to compute with21 in fraction form Welcome!
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