How would you describe the difference between the graphs of f(x) = x2 + 4 andg(y) = y2 +4 ?A. g() is a reflection of f(x) over the line y = x.B. g() is a reflection of f(x) over the y-axis.C. g() is a reflection of f(x) over the line y = 1.D. g() is a reflection of f(x) over the x-axis.