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Module 1: Straight line graphs

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XSIQ
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Intermediate Mathematics - Introduction

Introduction

It is easy to use a graphics calculator to draw graphs but, if you do
there are several things to be very careful of. In order to obvserve all of
the key features of the graph and ensure that you are not missing any of
them:

* you first need to understand what the graph will look like before
relying on your calculator, in case you make a mistake in entering the
function.

* you will need to understand the concepts of domain and range of a
function.

It is suggested that you should use your calculator as a valuable tool to
check your working but you should rely on your knowledge first and
foremost.

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