Y= -1/2x-2
this is the y=mx+b equation of a line.
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0 1 2 3 4 5 6 7 8 9 10
<span>-1<0
so use 2x+1
2(-1)+1=-2+1=-1
-
</span><span>F(-1) means "Evaluate F(x) when x=-1"
Since -1 is less than 0, this means that F(x) = 2x+1. This is because F(x) = 2x+1 when x < 0</span>
