Which is the right algebraic expression after combining like terms

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?

Consider the function f(x)=-5x+3 what is f(-2)

Can someone me with these two circle theorem questions asap?