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need y intercept for 68+7k

68+7k  Jodie pays the power company 68 cents per day for electricity. She purchased a new wind turbine, which costs an average of 7 cents for each kilowatt-hour of electricity that it generates.

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Nicholas S. | Math, English, Science (Elementary-Highschool) TutorMath, English, Science (Elementary-Highs...

slope intercept form: y = mx + b

68 + 7k means that the 68 would be the b term (y-intercept) and the 7 would be the slope of the line on a graph (m)