27.28.29.and that the areas for x < 0 and x > 3 are unbounded.Using the calculator, we get(E) The FTC yields total change:(C) The total change (increase) in population during the second hour is
given by The answer is 1046.(C) Call the time in hours t and the function for visitors/hour R(t). Then
the area under the curve represents the number of visitors V. We will
estimate the time k when 200 using a Riemann Sum.Hour Visitors/hour (midpoint est.) Total visitors since noon
Noon–1 P.M. 5 5
1–2 P.M. 25 30