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Which interval notation represents the set of all numbers from 1 to 9 , not inclusive?

[1,9]

(1,9]

[1,9)

(1,9)

Which interval notation represents the set of all numbers from $1$ to $9$ , not inclusive? $\newline$ $[1,9]$ $\newline$ $(1,9]$ $\newline$ $[1,9)$ $\newline$ $(1,9)$

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Full solution

Q. Which interval notation represents the set of all numbers from

1

to

9

, not inclusive?

\newline

[1,9]

\newline

(1,9]

\newline

[1,9)

\newline

(1,9)

Check Interval Notations: Check the meaning of interval notations. Square brackets $[$ ] mean inclusive, parentheses $( )$ mean exclusive.
Determine Notation for $1$ : Determine the correct notation for $1$ . $\newline$ Since $1$ is not included, use $()$ instead of [\].
Determine Notation for \(9: Determine the correct notation for $9$ . $\newline$ Since $9$ is not included, use $)$ instead of $]$ .
Combine Notations: Combine the notations for $1$ and $9$ . The correct interval notation is $(1,9)$ .

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