Question: a) Is relation < (less than or equal) an order relation? If yes, prove it. If not, why not? b)Consider function f: R R

a) Is relation < ("less than or equal") an order relation? If

a) Is relation < ("less than or equal") an order relation? If yes, prove it. If not, why not? b)Consider function f: R R defined by f(x) = 3x + 2. Prove by definition that f is a bijection.

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