For the period from 1980 to 2000, the percentage of households in the United States with
Chapter 4, Problem 61(choose chapter or problem)
For the period from 1980 to 2000, the percentage of households in the United States with at least one VCR has been modeled by the function where the time is measured in years since midyear 1980, so 0 t 20. Use a graph to estimate the time at which the number of VCRs was increasing most rapidly. Then use derivativesto give a more accurate estimate.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer