Question

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a worker must check and record the internal temperature of the freezer on an hourly basis. when working properly, the temperature should remain constant over time. what word describes the slope of a line showing the temperature of the freezer as a function of time in hours when the freezer is working properly? undelined, zero, negative, positive

Explanation:

Step1: Understand slope concept

The slope of a line represents the rate of change. If the value of the dependent - variable (in this case, temperature) does not change with respect to the independent - variable (time), the slope is zero.

Step2: Analyze the freezer's temperature

Since the internal temperature of the freezer should remain constant over time when working properly, the change in temperature (\(\Delta y\)) with respect to time (\(\Delta x\)) is 0. The slope formula is \(m=\frac{\Delta y}{\Delta x}\), and when \(\Delta y = 0\), \(m = 0\).

Answer:

zero