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4. Functions and Relations
4.01 Sign diagrams
4.02 Functions and relations
4.03 Function notation
4.04 Domain and range
4.05 Composite functions (Enrichment)
4.06 Inverse functions (Enrichment)
4.07 Modulus function
4.08 Quadratic functions
4.09 Using quadratic functions
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4.10 Discriminant and parabolas
4.11 Non-linear inequalities
4.12 Direct and inverse variation
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Middle Years

4.09 Using quadratic functions

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