Which statement describes the graph of this polynomial function? f(x)=x^4+x3-2x^2 the graph crosses the x-axis at x = 2 and x = –1 and touches the x-axis at x = 0. the graph touches the x-axis at x = 2 and x = –1 and crosses the x-axis at x = 0. the graph crosses the x-axis at x = –2 and x = 1 and touches the x-axis at x = 0. the graph touches the x-axis at x = –2 and x = 1 and crosses the x-axis at x = 0.