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1.2.12 The modulus function (A-level only)

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Question 12
a.

Sketch the graph of y=∣x∣+2y = |x| + 2y=∣x∣+2

[1]
b.

Explain why ∣x∣+2≥∣x+2∣|x| + 2 \geq |x+2|∣x∣+2≥∣x+2∣ for all real values of xxx.

[3]

1.2.12 The modulus function (A-level only) Questions

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