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10 20 30 40 50 60 70 80 90 100 10 Brightness Level e equation for the line of best fit. Keep at least 3 decimals for each parameter in the equation. .573 -0.07469x 08 et the slope in context. Dalton should expect -0.0747 brightness level per hour. Dalton should expect -0.0747 hours per brightness level. Part 2 of 3

10 20 30 40 50 60 70 80 90 100 10 Brightness Level e equation for the line of best fit. Keep at least 3 decimals for each parameter in the equation. .573 -0.07469x 08 et the slope in context. Dalton should expect -0.0747 brightness level per hour. Dalton should expect -0.0747 hours per brightness level. Part 2 of 3

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.8: Analyzing Functions With Successive Differences
Problem 26PPS
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Please help with part 3, thank you. 

Hours 11- 10 9 8 7 6 Part 1 of 3 Dalton is investigating how long his phone's battery lasts (in hours) for various brightness levels (on a scale of 0-100). His data is displayed in the table and graph below. Brightness Level (x) Hours (y) 22 7.4 37 6.1 44 6.2 58 2.8 68 2.1 68 2 79 4.2 87 3.2 2 + 10 20 30 40 50 60 70 80 90 100 110 -1 Brightness Level | Find the equation for the line of best fit. Keep at least 3 decimals for each parameter in the equation. ŷ 8.573 0.07469x Interpret the slope in context. Dalton should expect -0.0747 brightness level per hour. ● Dalton should expect -0.0747 hours per brightness level. Part 2 of 3 Part 3 of 3 What does the equation predict for the number of hours the phone will last at a brightness level of 53? 7 × hours
Transcribed Image Text:Hours 11- 10 9 8 7 6 Part 1 of 3 Dalton is investigating how long his phone's battery lasts (in hours) for various brightness levels (on a scale of 0-100). His data is displayed in the table and graph below. Brightness Level (x) Hours (y) 22 7.4 37 6.1 44 6.2 58 2.8 68 2.1 68 2 79 4.2 87 3.2 2 + 10 20 30 40 50 60 70 80 90 100 110 -1 Brightness Level | Find the equation for the line of best fit. Keep at least 3 decimals for each parameter in the equation. ŷ 8.573 0.07469x Interpret the slope in context. Dalton should expect -0.0747 brightness level per hour. ● Dalton should expect -0.0747 hours per brightness level. Part 2 of 3 Part 3 of 3 What does the equation predict for the number of hours the phone will last at a brightness level of 53? 7 × hours
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