Find Tuyet's payment for a month when 12 units of water are used. Graph and interpret applications

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Find Tuyet's payment for a month when 12 units of water are used.

Graph and interpret applications of slope-intercept.
The equation \(P=31+1.75 w\) models the relation between the amount of Tuyet's monthly water bill payment, \(P\), in dollars, and the number of units of water, \(w\), used.

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