Question: can anyon help me with this question please state all theorems used of possible mellous to Let f, g be 1-1 functions. Prove that fog

can anyon help me with this question please state all theorems used

can anyon help me with this question please state
of possible mellous to Let f, g be 1-1 functions. Prove that fog is 1-1 and prove (fog) -1 =glof-1. stion that m in there exists be N

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