document.write( "Question 449142: The value, v, of a shopkeeper's inventory software program is given by \n" );
document.write( "v = -1/2t + 3, where t is the number of years since the shopkeeper bought the program. What is the program worth 4 years after it is first purchased.\r \n" );
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document.write( "Plot the point with the given t-value, 4. \n" );
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