Answer: See attached image
Step-by-step explanation:
[tex]\mathrm{The \ union \ of \ two \ intervals \ is \ the \ set \ of \ numbers \ which \ are \ in \ either \ interval:}[/tex]
[tex]x < 2\quad \mathrm{or}\quad \:x > -1[/tex]
See attached merged number line below:
The first number line is of x < 2
The second number line is of interval x > -1
The third number line is the merge of the overlapping intervals
