• These are floor and ceiling functions, not abs value.

1. Find these values. a) [2.85] = b) [T] = c) (-1.01] = d) 1-8.91 = e) [[3.1]+[-2.3] + 1.7] = f) [11.7] * [2.1] * (-1.4)] = 5. Use a floor or a ceiling function to find cardinalities of following sets: a) I{x E Z+|x is multiple of 5 and x