Psychology—Memory Studies: The technicians at the Arp Brothers auto parts factory are given a checklist of 40 items to inspect for quality control. Over the next three months, a technician is selected and asked to write the checklist from memory. The mathematical model for the technician’s performance is given by
where x represents the number of days since the checklist was distributed and f(x) represents the average number of inspection items that was remembered.
(a) Evaluate f(2) and f(30) and interpret each.
(b) Find the horizontal asymptote and interpret its meaning.
(c) The State Regulatory Agency requires technicians to remember a minimum of 25 items after three months. According to the model, will the technicians meet this requirement?
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