A polynomial function has a root of -5 with multiplicity 3, a root of 1 with multiplicity 2, and a root of 3 with multiplicity 7. if the function has a negative leading coefficient and is of even degree, which statement aboit the graph is true? a) The graph of the function is positive on (-infinity, -5)

b) The graph of the function is negative on (-5, 3)

c) The graph of the function is positive on (-infinity, 1)

d) The graph of the function is negative on (3, -infinity)