2. Find the value(s) of t that make V(t) = 4 true. Explain what the value(s) tell us about the volume of
water in the cooler.

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.