Simplify :
(a+b)²
Thanks ​

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?

How do i do this activity, is appreciated

What are the domain and range of the function f(x)=2^x+1