It'll be the third one because he stops to shop for a bit, then goes straight home.
You would use the function root(Xsub2-Xsub1)^2+(Ysub2-Ysub1)^2.
Now plug in your numbers.
This gives you root(7-1)^2+(5-(-3))^2.
Simplify to root(6)^2+(8)^2. Simplify again to root36+64.
Simplify one more time to root 100. now solve.
Your answer is 10.
graph c
because the graph x = -2 is a vertical line at -2 on the x axis
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hope this helps..........
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<u>Step-by-step explanation:</u>
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