The Q graph shows a city's daily rate of use of electricity (in millions of kilowatts). Estimate the total daily usage of electricity by summing the area of rectangles. Use the left endpoints, then the right endpoints, then give the average of those results as the answer. Let the width of each rectangle be 2 hours. 8+ 4+ Midnight 4 A.M. 8 A.M. Noon 4 P.M. 8 P.M. Midnight The estimate of the city's total daily usage of electricity for the given day, found by averaging the estimates using left and right endpoints, is million kw-hrs. (Round to the nearest whole number as needed.) Millions of kilowatt-hours 28- 24- 20- 16- 12-
The Q graph shows a city's daily rate of use of electricity (in millions of kilowatts). Estimate the total daily usage of electricity by summing the area of rectangles. Use the left endpoints, then the right endpoints, then give the average of those results as the answer. Let the width of each rectangle be 2 hours. 8+ 4+ Midnight 4 A.M. 8 A.M. Noon 4 P.M. 8 P.M. Midnight The estimate of the city's total daily usage of electricity for the given day, found by averaging the estimates using left and right endpoints, is million kw-hrs. (Round to the nearest whole number as needed.) Millions of kilowatt-hours 28- 24- 20- 16- 12-
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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Transcribed Image Text:The
Q
graph shows a city's daily rate
of use of electricity (in millions of
kilowatts). Estimate the total daily
usage of electricity by summing the
area of rectangles. Use the left
endpoints, then the right endpoints,
then give the average of those
results as the answer. Let the
width of each rectangle be 2 hours.
8+
4+
Midnight 4 A.M. 8 A.M. Noon 4 P.M. 8 P.M. Midnight
The estimate of the city's total daily usage of electricity for the given day, found by averaging the estimates using left and right endpoints, is million kw-hrs.
(Round to the nearest whole number as needed.)
Millions of kilowatt-hours
28-
24-
20-
16-
12-
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