Which of the functions below are antiderivatives of f (t) = 3+3 - 2t + 1 3 I. -to - t' + t - 1 4 II. to - th + t A III. -to - t2 + + + 3 IV. 9t + 1241 O I. and Ill. only 1. only OIL. only O IV. only O L., II., and