The graph shows the amount of a chemical in a water sample. It is
decreasing exponentially.
Find the coordinates of the points labeled A, B,
and C. Explain your reasoning.
1,200
Chemical (mg)
800
400
(0, 1000)
10
(1, 800)
A
1
●
B
C
✔
•
2 3 4 5 6 7 8
Time (hours)