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(8) 7. The resale value R (in dollars) of a company van after t years is...

(8) 7. The resale value R (in dollars) of a company van after t years is estimated to be given by r(t) = 2780 (4.5 + 12 e ^ -.18t)

  

  1. What is the resale value of the van after 3½ years?
  2. What is the rate of change of the resale value of the van after 3½ years?
Math   Calculus   
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