Determine the following set in interval form

rcs

Jul 2010
487
4
iligan city. Philippines
i have this very rare problem for me in interval...
can anyone help me on this please..

thank you interval.jpg
 

rcs

Jul 2010
487
4
iligan city. Philippines
i got the answer i got it i got it

i kept on searching for the answer how it should be done... and the solution for this is

-7<=x<-2
 
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