Verified Answer :

Doyalikedagz

For all your graphing needs: www.desmos.com/calculator 
This calculator works really well and sometimes seeing how something is graphed physically and comparing the graph to the equation helps more than an explanation.

Hope this helps!! (:

apologiabiology

basically
graph y=x+4
wherever the line goes under the x axis, reflect that part across the x axis to make it positive
now find which part to shade
(0,0) is an option so shade down

so

find where it equals 0 or where it tursn negative
at x=-4

so graph y<x+4 from x=-4 to x=infinity
grahp y<-x-4 from x=negative infinity to -4

then shade under that
use dotted lines

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