The function g(x) is a continuous quadratic function defined for all real numbers, with some of its values given by the table below. the quadratic function f(x) is represented by the parabola below.

select all the statements that are true.

a) the function f(x) has a maximum value at x = 4.5.
b) the function g(x) has a minimum value of 0.
c) the maximum value of g(x) is twice the maximum value of f(x).
d) neither function has a minimum value.