Explain why ∣x∣+3≥∣x+3∣|x| + 3 \geq |x+3|∣x∣+3≥∣x+3∣ for all real values of xxx.
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Markscheme
3.2.2 Algebra and Functions (A-level only) Questions
36 exam-style questions on WJEC A Level Maths 3.2.2 Algebra and Functions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.