Plot two points that are 3 units from Point A and also share the same -coordinate as Point A. y
>
9-
8
7
6+
5
4+
3
2-
1+
-98.7 6 5 4 3 2
1
2 3 4 5 6 7
89
-2+
-3+
-4-
-5+
-6-
-7-
-8
-9+

Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.