Specialist Mathematics · Unit 2 · Trigonometry and functions · Sketching graphs

Use and apply the notation |𝑥| for the absolute value for the real number 𝑥 and the graph of 𝑦 = |𝑥|.

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Understand and use the relationship between the graph of 𝑦 = 𝑓(𝑥) and the graphs of 𝑦 = 1 𝑓(𝑥), 𝑦 = |𝑓(𝑥)| and 𝑦 = 𝑓(|𝑥|).

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