Question

The expenditure of a company for the period 2004 to 2012 can be given by the function y(t) = t^3 - 2t^2 -16t + 50 , where y is the expenditure (in thousands of dollars) and t is the number of years elapsed since 2004. During which period was the expenditure lower than $18,000 in each year? (Hint: 2004 translates to t = 0.)

A) 2004
-2007



B) 2007
-2010



C) 2004
-2009



D) 2006
-2008



E) 2007
-2010

Answer 1

put t=0,1,2,3,4,5,6,7,8 til you get\( y(t)greater than or equal to18\)