Question
Write the inequations that represent the interval and state whether the interval is bounded or unbounded: $[5, \infty)$

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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