The functions f(x) and g(x) are shown below:

f(x) = 2x
g(x) = 2x

which statement best describes the graph of f(x) and g(x)?

F of x and g of x are also commonly known as "f(x)", "g(x)", y, and zero. The point on the y line is 2x. To find x, isolate it:

f(x)=2x

x x

f=2