The graph below represents the function f. If g is a quadratic function with a positive leading coefficient and a vertex at (0,3), which statement is true?

A.
The function f intersects the x-axis at two points, and the function g never intersects the x-axis.
B.
The function f intersects the x-axis at two points, and the function g intersects the x-axis at only one point.
C.
Both of the functions f and g intersect the x-axis at only one point.
D.
Both of the functions f and g intersect the x-axis at exactly two points.