Answer:
y<-x+1
Explanation:
by shading the left side of the dotted line x is negative, and the plus one is the point plotted on the dotted line, the dotted line is the cause of the < symbol, if it was a greater than or equals too the line would be solid.
Soon you will be doing slope which is y= mx + b
and graphing that, find some online or ask ur parents for help and get a jump on them early :) hope i helped