Given f(x) = x2 + kx +11, and the remainder when f(x) is divided by x + 1 is 21, then what is the value of k?

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?

Describe the relationship between the angles of similar triangles and the sides of similar triangles

For what value of (y) is 3^3/3^y =1/9