Give an example of a cubic function

Y = x^3 is the parent function, so you can write an equation with that x^3 in it. Example: y = a•x^3 + b•x^2 + c•x + d, where a, b, c, and d are constants, a is not 0

Answer is either b or c

Its d so thats how it would would back from 1.0 form three four two