2. (1 point) Consider a piecewise function f(x) = 2sin(x + *) for any x

2. (1 point) Consider a piecewise function f(x) 2 sin(x -k 4) for any x < 0 and x 2 for any x 2 0, an a roximation of the limit lim f (x) is 1 The limit does not exist.