Sketch the graph of y=∣x∣+8y = |x| + 8y=∣x∣+8
Explain why ∣x∣+8≥∣x+8∣|x| + 8 \geq |x+8|∣x∣+8≥∣x+8∣ for all real values of xxx.
Practise Edexcel A Level Maths 2.1 The Modulus Function with exam-style questions for A Level Maths. 7 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.