CAIE IGCSE Additional Math 1.1 Understand Function Terminology Questions

Practise Cambridge IGCSE Additional Mathematics by identifying functions from graphs and tables, using function terminology and explaining when an inverse exists.

Exam points

Recognise and explain whether a relation or graph represents a function using the one-output-per-input rule.
Use function terminology including domain, range, one-one and many-one relationships accurately.
Explain when an inverse exists by identifying that the function is one-one.

[Maximum number: 5]

(a)

Figure for Question (a) — CAIE IGCSE Additional Math

Explain why this graph does not represent a function.

[ 1 ]

(b)

The table shows the graphs of four different functions.

Table for Question (b) — CAIE IGCSE Additional Math

Tick $(\checkmark)$ each correct box in the table.
There may be more than one tick in a row or a column.

[ 4 ]

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CAIE IGCSE Additional Math 1.1 Understand Function Terminology Questions question 1

Question (a)

Question (b)