Please I need help with my guitar I just need someone to see if its sounds good Please

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?