42. Electrical energy use. The rate at which electrical energy is used by the Ortiz family, in kilowatt-hours (kw-h) per day, is given by K(t) = 10te, where t is time, in hours. That is, t is in the interval [0, 24]. K(t) = 10te 2 2 4 6 8 t a) How many kilowatt-hours does the family use in the first T hours of a day (t = 0 to t = T)? b) How many kilowatt-hours does the family use in the first 4 hours of the day?
42. Electrical energy use. The rate at which electrical energy is used by the Ortiz family, in kilowatt-hours (kw-h) per day, is given by K(t) = 10te, where t is time, in hours. That is, t is in the interval [0, 24]. K(t) = 10te 2 2 4 6 8 t a) How many kilowatt-hours does the family use in the first T hours of a day (t = 0 to t = T)? b) How many kilowatt-hours does the family use in the first 4 hours of the day?
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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![42. Electrical energy use. The rate at which electrical
energy is used by the Ortiz family, in kilowatt-hours
(kw-h) per day, is given by
K(t) = 10te,
where t is time, in hours. That is, t is in the interval [0, 24].
K(t) = 10te
2
2 4 6 8 t
a) How many kilowatt-hours does the family use in the
first T hours of a day (t = 0 to t = T)?
b) How many kilowatt-hours does the family use in the
first 4 hours of the day?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8e0a5a15-c69c-423c-acc8-c0553b805628%2F4aeaec1c-7078-4eb9-97d0-999b27c176b5%2Fc52mnqb_processed.png&w=3840&q=75)
Transcribed Image Text:42. Electrical energy use. The rate at which electrical
energy is used by the Ortiz family, in kilowatt-hours
(kw-h) per day, is given by
K(t) = 10te,
where t is time, in hours. That is, t is in the interval [0, 24].
K(t) = 10te
2
2 4 6 8 t
a) How many kilowatt-hours does the family use in the
first T hours of a day (t = 0 to t = T)?
b) How many kilowatt-hours does the family use in the
first 4 hours of the day?
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