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Combining intervals

Hi, is it possible to do the following and get a result?:

image description

Plotting would also be nice.

Combining intervals

Hi, is it possible to do the following and get a result?:

image description

Plotting would also be nice.

Combining intervals

Hi, is it possible to do the following and get a result?:

image description$(\overline{(-4,1)}\cup[0,\infty)) \backslash ((-\infty,4)\cap[-1,3])$

Plotting would also be nice.