Respuesta :

We have that

[tex](-\infty,-2)\subset(-\infty,1)[/tex]

For this in a) we have that

[tex](-\infty,-2)\cap(-\infty,1)=(-\infty,-2)[/tex]

So the answer in a) is

[tex]\begin{equation*} (-\infty,-2) \end{equation*}[/tex]

Now for b) we have that

[tex][1,3)\subset(0,5)[/tex]

and

[tex][1,3)\cup(0,5)=(0,5)[/tex]

So the answer in b) is:

[tex]\begin{equation*} (0,5) \end{equation*}[/tex]
the answer is b [1,3) u(0,5)

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