5. [2 pts] Consider a function f: Z → Z and f(x) = x'. Answer the...

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Question

5. [2 pts] Consider a function f: Z → Z and f(x) = x. Answer the following questions. a. Is f(x) invertible? Justify your an

engineering Computer-Science

Answer 1

Answer #1

caf: 2+2 of Col) = cro to for checking check checking .: lef inventible function we have one one and onto function onto oncon

checking for y = f(x) fooz xa calg J . f(x) zy i Thus, for every ye2 that : p(x)=y there east X Ez such Hence, f is onto so,

checking onto f:R>R: f(x) = x let f(x) = 9 such that YER oczy as 319 . .. cheeking for y = f(x) f(x)= x² f(0) = y Thu that eu

Answer 2

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