The point (3, 1200) corresponds to the last entry in the table.
A diagram which is showing the relation between variable quantities in different axes is called graph.
The given entries in column 1 (minutes)(x) are 1, 2, 3
The entries in column 2 (gallons)(y) are 400, 800, 1200.
The quantity in gallon is proportional to the time in second.
Here, the constant of proportionality is 400,
An equation for the proportional relationship is y = 400x
So, (3, 1200) corresponds to the last entry.
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