A quadratic function y=f(x) is plotted on a graph and the vertex of the resulting parabola is (3,5). What is the vertex if the function defined as g(x)=f(x) -3?

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas