Use this quadratic model above to answer this question. Predict the instantaneous rate of change in residential retail sale of electricity in 2024. Round to the nearest billion of kilowatt-hours. NOTE: You may get the wrong answer if you do not use the quadratic model with coefficients rounded as described above. billion of kilowatt-hours per year NOTE: Your answer might be negative.
Use this quadratic model above to answer this question. Predict the instantaneous rate of change in residential retail sale of electricity in 2024. Round to the nearest billion of kilowatt-hours. NOTE: You may get the wrong answer if you do not use the quadratic model with coefficients rounded as described above. billion of kilowatt-hours per year NOTE: Your answer might be negative.
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 table below gives the retail sale of electricity (in billions of kilowatt-hours) for the
residential and commercial sectors of the United States.
Residential (billions of kilowatt-hours)
Year
2000
2003
2006
2009
2012
2015
1,192
1,276
1,400
1,420
1,402
1,390
Let a represent time (in years) with = 0 corresponding to 2000, and let y represent the
corresponding residential sales. Find the quadratic regression equation for the data
y = R(x) = ax²+bx+c
with a rounded to the nearest hundredth (2 decimal places), b rounded to the nearest tenth (1
decimal place), and c rounded to the nearest integer.
Transcribed Image Text:Use this quadratic model above to answer this question.
Predict the instantaneous rate of change in residential retail sale of electricity in 2024. Round
to the nearest billion of kilowatt-hours. NOTE: You may get the wrong answer if you do not
use the quadratic model with coefficients rounded as described above.
billion of kilowatt-hours per year
NOTE: Your answer might be negative.
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