Your Practice Set – Applications and Interpretation for IBDP Mathematics
Exercise 6
1 . Find the value of each of the following , giving your answer as an integer .
( a )
( b )
1 1 log � log
25 40 ln e
7.5
� ln e e
[ 3 ]
[ 3 ]
2 . Find the value of each of the following , giving your answer as an integer .
( a ) log 0.8 � log1250
( b ) ln
4 3 3 e� ln e
3 . ( a ) Find the value of
( b ) Solve the equation
25 log112 � log � log 7 .
4 ln x e � . 3
[ 3 ]
[ 3 ]
[ 3 ]
[ 3 ]
4 . ( a ) Find the value of
1 ln ln 45 ln15 3 � � . [ 3 ]
log x
( b ) Solve the equation 10 � 1331.
3
[ 3 ]
20
SE Production Limited