Question: A problem from Discrete Mathematics: Characterize the following functions as being injective, surjective, bijective, consistent, or neither of these. Also give the domain and range.

A problem from Discrete Mathematics:

Characterize the following functions as being injective, surjective, bijective, consistent, or neither of these. Also give the domain and range. If an underlying function [X, Y, f] is inconsistent, replace X with Df to make it consistent and then investigate if it is injective, surjective, bijective. (2) [R, R, sin] (ii) [R, R, tan 4 (2ii) [R+, [0, 100], 202]

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