Mathematics, 14.12.2020 22:50, tyler9158

A tub 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

Answers: 3

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A tub of water is emptied at a rate of 3 gallons per minute. The equation y –12 = –3(x – 1) models t...