Which pair of functions represents a decomposition of f(g(x)) = | 2(x + 1)2 + (x + 1) | ? f(x) = (x + 1)2 and g(x) = | 2x + 1 | f(x) = (x + 1) and g(x) = | 2x2 + x | f(x) = | 2x + 1 | and g(x) = (x + 1)2 f(x) = | 2x2 + x | and g(x) = (x + 1)