# NSW Y11 Maths - Extension 1 Functions

## Diagnostic Quiz on Functions

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## Subtopics of Functions

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• Inequalities -X In Denominator
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• Inequalities -Absolute Value
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• Reciprocal Functions
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• Square Root Functions
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• Absolute Value Functions
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• Graphing-Multiplying Ordinates
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• Parametric Form
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• Inverse Functions
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ME-F1 Further Work with Functions

The topic Functions involves the use of both algebraic and graphical conventions and terminology to describe, interpret and model relationships of and between changing quantities. This topic provides the means to more fully understand the behaviour of functions, extending to include inequalities, absolute values and inverse functions.

A knowledge of functions enables students to discover connections between algebraic and graphical representations, to determine solutions of equations and to model theoretical or real-life situations involving algebra.

The study of functions is important in developing studentsâ€™ ability to find, recognise and use connections, to communicate concisely and precisely, to use algebraic techniques and manipulations to describe and solve problems, and to predict future outcomes in areas such as finance, economics and weather.

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