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Question

kirbykirby · Answer

Think of the position x=0 as the initial point. Initially, he has 1 train. Then, in the year after (x=1), her gets 2 more trains (so 3 in total), then at x=2, he has 2 more trains (so 5 in total). Can you see which graph would represent this?

jenniferjuice · Answer

is it A ?

jenniferjuice · Answer

@kirbykirby ?

kirbykirby · Answer

Yes it's A. Sorry I was away from the computer.