7 is an element of the interval 3-7- or 7- 3- 7-

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Intervals as Subsets of Real Numbers

7 is an eleme...

Question

$7$ is an element of the interval $(3, 7] or 7 \in (3, 7] .$

False

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True

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7

(3, 7] or 7 \in (3, 7] .

∣ ∣ ∣ \frac{| x | - 1}{| x | - 2} ∣ ∣ ∣ = 4

x \in

(- 3, 7]

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