The function f is given by f(x)=x2−2x. Which statement is true about the graph of f? The graph has a y-intercept at (2,0). The graph has a y-intercept at open paren 2 comma 0 close paren. The x-intercepts are at (0,0) and (2,0). The x-intercepts are at open paren 0 comma 0 close paren and open paren 2 comma 0 close paren. The graph of the function opens downward. The graph of the function opens downward. The coordinates of the vertex are (1,1).