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A refrigeration technician uses the linear function f(x)=−3x−1f(x) = -3x - 1 to model the hourly temperature change (in degrees Celsius) of a cooling chamber. To begin graphing this linear model on a coordinate plane, the technician first identifies the yy-intercept of the function. The yy-coordinate of this yy-intercept is ____.

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Updated 2026-09-18

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