Analysis and Approaches HL Practice Paper Book | Page 110

Section A ( 58 marks )

1 . Let f ( x)

2

� and g( x) 3 4 x

� � x , for x� .

( a ) Write down

( i ) g( � 1 ) ;

( ii ) g ^�1 ( � 1 ) .

( b ) Find ( f g)( x ).

( c ) Find

� g ¹ ( x) .

[ 2 ]

[ 2 ]

[ 2 ]

© SE Production Limited 2 All Rights Reserved 2021