Write the inequations that represent the interval and state whether the interval is bounded or unbounded: $[5, \infty)$
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Answer
$[5, \infty)$ Here, $x$ takes values between 5 and $\infty$ including 5 . $\therefore$ the required inequation is $5 \leq \mathrm{x}<\infty$ $\therefore$ it is an unbounded (semi-left closed) interval.
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