The cost, in thousands of dollars, of a 30-second television ad during the super Bowl in...

  

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The cost, in thousands of dollars, of a 30-second television ad during the super Bowl in the years 1980-2010 can be approximated by the following piecewise-linear function ( t=0 represents 1980): [43.91+222 if0t20 C(t)= 1401-1,700 if 20 The cost, in thousands of dollars, of a 30-second television ad during the super Bowl in the years 1980-2010 can be approximated by the following piecewise-linear function ( t=0 represents 1980): [43.91+222 if0t20 C(t)= 1401-1,700 if 20