Write an explicit rule for the sequence

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?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x