Given the function f(x)=x2 and k=2, which of the following represents a horizontal shift?

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?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

State one method by which you can recognize a perfect square trinomial.