(b) Use a trapezoidal sum with the four subintervals given by the table to approximate the value of - E(t) dt. 8 Jo Using correct units, explain the meaning of E(t) dt in terms of the number of entries. 8 Jo (c) At 8 P.M., volunteers began to process the entries. They processed the entries at a rate modeled by the function P, where P(t) = r³ – 30z² + 298t – 976 hundreds of entries per hour for 8 < t < 12. According to the model, - how many entries had not yet been processed by midnight (t = 12) ? (d) According to the model from part (c), at what time were the entries being processed most quickly? Justify your answer.

(b) Use a trapezoidal sum with the four subintervals given by the table to approximate the value of - E(t) dt. 8 Jo Using correct units, explain the meaning of E(t) dt in terms of the number of entries. 8 Jo (c) At 8 P.M., volunteers began to process the entries. They processed the entries at a rate modeled by the function P, where P(t) = r³ – 30z² + 298t – 976 hundreds of entries per hour for 8 < t < 12. According to the model, - how many entries had not yet been processed by midnight (t = 12) ? (d) According to the model from part (c), at what time were the entries being processed most quickly? Justify your answer.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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