Which statements correctly describe the graph of the function f(x) = x^3-4x^2–3x+18? Select three options. 1) There are three unique solutions to the function when y=0.

2) The function has a double root.

3) As x increases from negative infinity to positive infinity, the y-values increase, decrease, and then increase again.

4) As x approaches negative infinity, y approaches positive infinity.

5) The domain and range of the function are the set of real numbers.