4. When you graph the polynomial function y = (x+3)(x + 1)2(2x - 5), applying the multiplicity of root, which of the following is true about the graph? A. The graph is tangent to the x-axis at -3. B. The graph is tangent to the x-axis at -1. C. The graph is crosses the x-axis at - 1 D. The graph crosses the x-axis at 5.​