For #13-15: The average retail electricity prices in the U.S. from 1970 to 2005 are shown below. Projected prices for 2010 and 2020 are also shown. (x = 0 represents the year 1970). Year 1970 1974 1980 1982 1990 Price (Cents/kWh) b. y = 6.125 7 7.25 9.625 8 Year 1995 2000 2005 2010 2020 3 13. Which equation below BEST represents the above data? a. y .22283x + 7.61598 2 - .002019x +,074307x + 6.93717 Price (cents/kWh) C. y .0002135x -.018155x+.38348x+5.97611 d. y = 1.0034x4-7.998x³ - 10.0054x+.367 7.5 6.625 6.25 6.25 6.375 14. Use the answer from #13 to predict the average price of electricity in 2015. 15. According to the model, during which year was the price $0.07 for the second time?
For #13-15: The average retail electricity prices in the U.S. from 1970 to 2005 are shown below. Projected prices for 2010 and 2020 are also shown. (x = 0 represents the year 1970). Year 1970 1974 1980 1982 1990 Price (Cents/kWh) b. y = 6.125 7 7.25 9.625 8 Year 1995 2000 2005 2010 2020 3 13. Which equation below BEST represents the above data? a. y .22283x + 7.61598 2 - .002019x +,074307x + 6.93717 Price (cents/kWh) C. y .0002135x -.018155x+.38348x+5.97611 d. y = 1.0034x4-7.998x³ - 10.0054x+.367 7.5 6.625 6.25 6.25 6.375 14. Use the answer from #13 to predict the average price of electricity in 2015. 15. According to the model, during which year was the price $0.07 for the second time?
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.2: Graphs Of Equations In Two Variables; Circles
Problem 111E
Related questions
Question
Please help me, I'm really unsure.
Transcribed Image Text:For #13-15: The average retail electricity prices in the U.S. from
1970 to 2005 are shown below. Projected prices for 2010 and 2020
are also shown. (x = 0 represents the year 1970).
Year
1970
1974
1980
1982
1990
a. y =
b. y
Price
(Cents/kWh)
C. y
d. y
6.125
7
7.25
9.625
8
Year
1995
2000
2005
2010
2020
13. Which equation below BEST represents the above data?
3
- .22283x + 7.61598
2
.002019x +,074307x + 6.93717
.0002135x -.018155x+.38348x + 5.97611
1.0034x4-7.998x³ - 10.0054x+.367
Price
(cents/kWh)
7.5
6.625
6.25
6.25
6.375
14. Use the answer from #13 to predict the average price of
electricity in 2015.
15. According to the model, during which year was the price $0.07
for the second time?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 11 images
Recommended textbooks for you
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
