Solution:
Inequality Form:

Interval Notation:
![[4,7]](https://img.qammunity.org/2023/formulas/mathematics/college/m2h9x92ism0tnsp7q801fzomgxtodddfyk.png)
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As for plotting on your line graph, one point should be a closed circle on 4, then the next should be a closed circle on 7.
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Hope this helps! If so, lmk! Thanks and good luck!