HELP ME PLEASE where do all of these numbers belong?

√121,56,3.6666666666,1/4

A. whole number

B. irrational

C. Integer

D. Rational

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

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points

F(x) = x^2+x-2/x^2-3x-4 what is the domain and range, x-and y-intercepts, horizontal asymptotes, and vertical asymptotes?