Question: Let f : Z - Z be defined by f(x) = 2|x] - 1. Which one of the following is the inverse image of 1

Let f : Z - Z be defined by f(x) = 2|x] - 1. Which one of the following is the inverse image of 1 under f? Select one: O a. 1 X O b. 2 O c. {-1,1 } Od. 1- 712. O e. {0, 1} Your answer is incorrect. The correct answer is: { - 1, 1}

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