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Question
junior college 1 | H2 Maths
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pls help :))
Date Posted: 3 years ago
Views: 538
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done
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clear
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An idea. I forgot how to write down the range if the output values are only integers (like whether I should put things like y E Z or not inside the range).
Date Posted:
3 years ago
Rf = [-1, 1] , f(x) ∈ Z
Or
f(x) ∈ Z, -1 ≤ f(x) ≤ 1
Or
f(x) ∈ {-1, 0, 1}
Or
f(x) ∈ Z, -1 ≤ f(x) ≤ 1
Or
f(x) ∈ {-1, 0, 1}
This is a piecewise function so the graph should have the open circles
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