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

Question

3 years ago

8

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 The tub started with ____ gallons of water.

Mathematics

2 answers:

Yakvenalex [24] · Answer 1 · 2021-12-04T20:11:27+03:00

Yakvenalex [24]3 years ago

5 0

The tub started with 15 gallons

mixer [17] · Answer 2 · 2021-12-04T21:22:02+03:00

mixer [17]3 years ago

4 0

The tub started with 15 gallons of water.