Question

write each interval as an inequality [-3,3]

Answer 1

please help

Answer 2

So, generally brackets mean exclusive (cannot equal) and parenthesis mean can equal.
In this case
]-3,3[
-3<x<3

Answer 3

if it were (-3,3)
it would have been
\[-3\le x \le 3\]

Answer 4

but brackets forsure are \[\le \ge\]