Cambridge OLevel Additional Mathematics revision notes & Solutions

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Lesson

Lesson-1.1.3- understand the relationship between y = f(x) and y = |f(x)|, where f(x) may be linear, quadratic or trigonometric.

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Lesson-1.1.2- use the notation f(x) = sin x, f: x ??? lg x, (x > 0), f ???1(x) and f 2 (x) [= f(f(x))]Previous Lesson-1.1.4- explain in words why a given function is a function or why it does not have an inverse.Next