Which equation is it and what degree

Given the graph, write an equation and determine the degree for the polynomial function. 2 N 4 X -2 -4 The equation of the graph is [ Select ] Equation A: f (x) = - (x + 1) (x - 1)2 (x - 3) Equation B: f (x) = (x + 1) (x - 1)2 (x -3) Equation C: f (x) - -(x - 1) (2 + 1) (2+3) Equation D: f (x) = (x - 1) (2 + 1) (z+3) The degree of the function is [ Select ]