In x<3x<3x<3, is 3 included?
Yes - 3 is the upper bound.
Yes - <<< is inclusive.
No - <<< is strict.
Yes - <<< includes the endpoint.
Flashcards for Edexcel IGCSE Maths Inequalities, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2. 28 cards, matched to the Edexcel IGCSE Maths (4MA1) specification.