Suppose f(x) = x^2 and g(x)= (2x)^2.
which statement best compares te graph of g(x) with the graph of f(x)?

a. the graph of g(x) is horizontally compressed by a factor of 2.

b. the graph of g(x) is horizontally stretched by a factor of 2.

c. the graph of g(x) is shifted 2 units to the right.

d. the graph of g(x) is vertically stretched by a factor of 2.