Topics
4. Functions and Relations
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AustraliaVIC
VCE 11 Methods 2023

4.01 Functions and relations

Lesson
Worksheet
Practice

Interactive practice questions

True or False?

When working with a function, substituting a certain value of $x$x into the formula gives only one value of $y$y for that value of $x$x.

True

A

False

B
Easy
< 1min

What is the name used to describe a graph where for some value of $x$x, there exists two or more different values of $y$y?

Easy
< 1min

True or False?

A horizontal line can intersect the graph of a function at more than one point.

Easy
< 1min

Consider the following statement:

All relations are functions.

Easy
< 1min
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Outcomes

U1.AoS1.1

functions and function notation, domain, co-domain and range, representation of a function by rule, graph and table, inverse functions and their graphs

U1.AoS1.5

the definition of a function, the concepts of domain (including maximal, natural or implied domain), co-domain and range, notations for specification of the domain, co-domain and range and rule of a function

U1.AoS1.9

specify the rule, domain (including maximal, natural or implied domain), co-domain, and range of a function and identify whether or not a relation is a function

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