Question

The set $\{y:y\in R,2\le y<8\}$ can be written in interval as

• A. $[2,8)$
• B. $[2,8]$
• C. $(2,8]$
• D. $(2,8)$

Answer 1

The correct option is A $[2,8)$

Given first set as: $\{y:y\in R,2\le y\le 8\}$
Here $y\in R$ and $2$ is included and $8$ is excluded
$\Rightarrow y\in [2,8)$