Guide :Middle School

The equation y = 1725

The equation y = 1725 - 75x represents the amount of money y (in dollars) left in your lunch account after x weeks. 20 weeks go by. FInd the domain and range of the function.
Y= -75x +1725y= -75(20) +1725y = -1500 + 1725y= 225 = range225= -75x +1725225 - 1725= -75x-1500=-75x-1500/-75 = -75x/-75x = 20 = domain ...

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