Quadratic functions g(x) and h(x) are graphed on the same coordinate grid. The vertex of the graph of h(x) is 12 units above the vertex of the graph of g(x).
Which pair of functions could have been used to create the graphs of g(x) and
h(x)?
A. H (x) = (x + 12)^2and g(x) =x^2

B. h(x) = x^2 + 12 and g(x) = x^2

C. H(x) = x² -12 and g(x) = x^2

D. H(x) = (x - 12)^2and g(x) = x^2