Unless otherwise specified, the domain of a function f is assumed to be the set of all real numbers x for which f (x) is a real number. t (hours) 3 8 P (t) (passengers) 35 204 600 728 The number of passengers who have boarded a ship is modeled by the differentiable function P, where t is the number of hours since boarding began. Values of P (t) for selected values of t are given in the table above.
Unless otherwise specified, the domain of a function f is assumed to be the set of all real numbers x for which f (x) is a real number. t (hours) 3 8 P (t) (passengers) 35 204 600 728 The number of passengers who have boarded a ship is modeled by the differentiable function P, where t is the number of hours since boarding began. Values of P (t) for selected values of t are given in the table above.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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(b) Write P′(4.5) as the limit of a difference quotient. Use the data in the table to approximate P′(4.5). Show the computations that lead to your
(c) Must there be a time t, for 3≤t≤6, at which P(t)=500 ? Justify your answer.
d) The total number of gallons of water used by the passengers on the ship is modeled by the function G defined by G(t)=120tt√ for 0≤t≤8, where t is the number of hours since boarding began. Find G′(4), the rate at which passengers use water, in gallons per hour, at time t=4hours.
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