Define f(n) = +¹-(-¹)" for all n € Z. Thus, ƒ : Z → ZZ. Which is correct? 4 Select one: a. f is not a function from Z → Z because Z. O b. f is a function and is not onto and not one-to-one O c. f is a function and is onto and one-to-one. O d. f is a function and is onto but not one-to-one. O e. f is a function and is not onto but is one-to-one.

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