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Posted: **Thu May 12, 2022 1:46 pm**

: Let F Z Z Be Defined By F X 3x 7 Prove That F Is Not Surjective This Answer Has Not Been Graded Yet 76 Points De 1 (80.96 KiB) Viewed 28 times

Let f:Z- Z be defined by f(x)=3x–7. Prove that f is not surjective. This answer has not been graded yet. [-76 Points] DETAILS Let f:R-{2}- R-{-3} be defined by f(x)= 3x+1 2-x Prove that f is injective. I