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Question
Write the inequation that represent the interval and state whether the interval is bounded or unbounded.
`[5, ∞]`
Solution
`[5, ∞]`
Here, x takes values between 5 and `∞` including 5
∴ The required inequation is `5 ≤ "x" < ∞`
∴ it is an unbounded (semi-left closed) interval.
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