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The rate of change is negative 1.25. The negative of 1.25 represents 1.25 feet is drain every hour. The number 1 represents 1 foot of water that is already present in the pool.
What is the linear system?
A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.
The Gutierrez family and the Kim family both have pools.
The Gutierrez family is filling their pool, which is modeled by the equation
y = x + 1
The Kim family is draining their pool, which is modeled by the equation
y = -1.25x + 5
In both equations, x represents the time in hours and y represents the depth of the water in the pool in feet.
These two situations can be described by the following system of equations:
Then the rate of change for the Kim family's pool will be
Rate of change = -1.25
The negative of 1.25 represents 1.25 feet is drain every hour.
Looking at the equation for the Gutierrez family's pool.
y = x + 1
The number 1 represents 1 foot of water that is already present in the pool.
More about the linear system link is given below.
https://brainly.com/question/20379472
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