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Hayden is investigating how long his phone s battery lasts in hours for various brightness...

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Hayden 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 8 7 6 Hours 5 3 04 Brightness Level x 32 40 75 75 76 84 89 94 Wh Hours y 5 4 4 8 2 9 3 5 3 4 4 2 8 2 5 10 20 30 Brightness Leve70 80 90 100 H Find the equation for the line of best fit Keep at least 3 decimals for each parameter in the equation y 0 040x 6 557 0 Interpret the slope in context Hayden should expect 0 041 hours per brightness level O Hayden should expect 0 041 brightness level per hour Part 2 of 3 Part 3 of 3

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