Please help! THANKS SO MUCH

Which function is represented by the graph

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie