Apps. and Interpretation for IBDP Maths Ebook 1 | Page 19

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Paper 1 – Sketching the Inverse Graph
Example
The diagram below shows the graph of a function f , for 0�x
� 4.
3
(a)
Write down the value of
(i) f (1) ;
(b)
(ii)
f � 1 (2) .
On the same diagram, sketch the graph of
[3]
The volume and the temperature of a particle can be modelled by the above function f ,
1
f � .
where x and f( x ) are the volume and the temperature of the particle respectively.
[3]
(c) Interpret the meaning of f (4) � 2 .
[1]
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