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  3. iker is investigating how long his phone s battery

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

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Iker 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 10 Hours 8 7 6 S 43 2 1 O 10 85 90 97 97 5 3 2 8 2 5 1 4 2 3 20 30 40 50 60 70 80 Brightness Level What is the residual for the point 45 6 Round to 4 decimal places 29 29 45 46 6 7 5 7 6 90 100 11

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