The graph includes all the real numbers between –3, and 3, both including.
Observe the given number line.
" is marked at –3, and "
" is marked at 3.
The line between –3 and 3 is shaded.
So, the graph includes all the real numbers between –3 and 3, both including.
An inequality that represents all real numbers between –3 and 3 is
All values of
that lie between –
are the solutions of |
So, the absolute value notation to define the interval is
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