Plsss m

the function g(x) = x2 is transformed to obtain function h:

h(x) = g(x + 7).

which statement describes how the graph of h is different from the graph of g?

a.
the graph of h is the graph of g vertically shifted down 7 units.
b.
the graph of h is the graph of g vertically shifted up 7 units.
c.
the graph of h is the graph of g horizontally shifted right 7 units.
d.
the graph of h is the graph of g horizontally shifted left 7 units.