Your Practice Set – Applications and Interpretation for IBDP Mathematics
4 . Let
4
3 x
� � . f ( x) 4x e
( a ) Using a suitable substitution to integrate f� ( x)
, giving the answer in terms of x . [ 5 ]
16
It is given that f( 2 ) �e
� 1.
( b ) Find the expression of f( x ).
[ 2 ]
172
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