16 . The value Vt () of a pendulum clock ( in dollars ) t years after 31st December , � 1000000
2.175 ( t� 15 ) 0 � t �
� 15 �1�
29e 1888 can be modelled by Vt () � �
.
� 30000000 t �15
�0.145t
�� 1�
29e
( a ) Find the value of the pendulum clock at the end of 1899 .
( b ) Find t when Vt ( ) � 10000000 . [ 2 ]
( c ) Interpret the condition on the value of the pendulum clock after a long period of time . [ 1 ]
[ 2 ]
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