Last updated on Sep 20, 2026

Introduction to Functions and Relations (HSC SSCE Mathematics Advanced): Flashcards

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Variables and Substitution

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What does $f(x)$ represent?

The output value corresponding to input $x$

How is $f(x)$ read aloud?

f of x

Define independent variable

Variable representing input values, chosen freely

Define dependent variable

Variable representing output, depends on input and function rule

In $f(x)$ , what type of variable is $x$ ?

Independent variable (input)

In $y = f(x)$ , what type of variable is $y$ ?

Dependent variable (output)

What is substitution in functions?

Replacing a variable with a value/expression, then simplifying

How to evaluate $f(a)$ from $f(x)$ ?

Replace $x$ with $a$ and simplify

How many outputs per input in a function?

Exactly one output per input

What determines the dependent variable's value?

The input value and the function rule

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Introduction to Functions and Relations (HSC SSCE Mathematics Advanced): Flashcards

Practise the cards

What does f(x)f(x)f(x) represent?

How is f(x)f(x)f(x) read aloud?

Define independent variable

Define dependent variable

In f(x)f(x)f(x), what type of variable is xxx?

In y=f(x)y = f(x)y=f(x), what type of variable is yyy?

What is substitution in functions?

How to evaluate f(a)f(a)f(a) from f(x)f(x)f(x)?

How many outputs per input in a function?

What determines the dependent variable's value?

Explore HSC SSCE Mathematics Advanced Revision Notes by Topics

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