A function f : Z → Z is defined by f(n) = 2n + 2. Determine f(E), where E is the set of even integers. Determine f-1(D), where D = {6k : k E Z}. (a) (b),

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A function f : Z → Z is defined by f(n) = 2n + 2.
(a)
Determine f(E), where E is the set of even integers.
(b)
Determine f-1(D), where D = {6k : k E Z}.
Transcribed Image Text:A function f : Z → Z is defined by f(n) = 2n + 2. (a) Determine f(E), where E is the set of even integers. (b) Determine f-1(D), where D = {6k : k E Z}.
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