If f(x) = x3, which of the following describes the graph of f(x + 2)? the graph of f(x + 2) is a vertical shift of f(x) = x3 two units up. the graph of f(x + 2) is a horizontal shift of f(x) = x3 two units to the right. the graph of f(x + 2) is a vertical shift of f(x) = x3 two units down. the graph of f(x + 2) is a horizontal shift of f(x) = x3 two units to the left.