21 A polynomial function has a root of -6 with multiplicity 1, a root of -2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. If the function has a positive leading coefficient and is of odd degree, which statement about the graph is true? O The graph of the function is positive on (-6, -2). O The graph of the function is negative on (-0, 0). O The graph of the function is positive on (-2,4). The graph of the function is negative on (4,co). Next Submit Save and Exit Mark this and return