Question

Write the inequation that represent the interval and state whether the interval is bounded or unbounded.
`[5, ∞]`

Answer 1

`[5, ∞]`
Here, x takes values between 5 and `∞` including 5
∴ The required inequation is `5 ≤ "x" < ∞`
∴ it is an unbounded (semi-left closed) interval.