Mathematics, 11.12.2019 23:31 cadez
Atub of water is emptied at a rate of 3 gallons per minute. the equation y –12 = –3(x – 1) models the amount of water remaining, where x is time (in minutes) and y is the amount of water left (in gallons). analyze the work shown below to determine the initial amount of water.
1. solve for the y-variable.
y – 12 = –3(x – 1)
y – 12 = –3x + 3
y = –3x +15
2. write the equation using function notation.
f(x) = –3x +15
the tub started with
gallons of water.
Answers: 1
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Atub of water is emptied at a rate of 3 gallons per minute. the equation y –12 = –3(x – 1) models th...
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