Your Practice Set – Applications and Interpretation for IBDP Mathematics
4 . The value Vt () of a vase ( in dollars ) t years after 31st December , 1900 can be modelled � 250000
1.6 ( t� 10 ) 0 � t �
� 10
�1�19e
by Vt () � � . � 5000000 t �10
�0.16t
�� 1�19e
( a ) Find the value of the vase at the end of 1907 .
( b ) Find t when Vt ( ) � 2000000 .
( c ) Interpret the condition on the value of the vase after a long period of time .
[ 2 ]
[ 2 ]
[ 1 ]
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