Let p.n/ be a polynomial of degree d in n. Prove that
1. Develop an expression (using the floor or ceiling notation) for the ordinary meaning of rounding off a real number x to the nearest integer. Be sure your formula properly handles rounding 3:49 to 3, but 3:5 to 4.
2. Develop an expression (using the floor or ceiling notation) for the ones digit of a positive integer. That is, if n D 326, then your expression should evaluate to 6.
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