Manuel 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) 30...

Manuel is investigating how long his phone's battery lasts (in hours) for various brightness levels (on<br>a scale of 0-100). His data is displayed in the table and graph below.<br>Brightness Level (x)<br>30<br>49<br>65<br>67<br>69<br>80<br>85<br>85<br>Hours (y)<br>6.6<br>4.6<br>4.1<br>4.3<br>3.5<br>2.8<br>3.1<br>10+<br>7<br>2<br>10<br>20<br>30<br>40<br>60<br>70<br>80<br>100<br>Brightness Level<br>a) Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in the<br>equation.<br>SANOH<br>

Extracted text: Manuel 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) 30 49 65 67 69 80 85 85 Hours (y) 6.6 4.6 4.1 4.3 3.5 2.8 3.1 10+ 7 2 10 20 30 40 60 70 80 100 Brightness Level a) Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in the equation. SANOH

Jun 07, 2022

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Manuel 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) 30...

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