The rate of change in the temperature of the fridge is -4
Given the temperature of a refrigerator when it is first plugged in can be modeled by the function y = - 4x + 70
where
The rate of change of temperature of the fridge is expressed as:
[tex]\frac{dy}{dx} =-4 +0\\\frac{dy}{dx} =-4[/tex]
Hence the rate of change in the temperature of the fridge is -4
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