The rate of change for the relationship, given the data is -2.25 gallon/min
What is velocity?
Velocity is simply defined as the rate of change of displacement with time.
Mathematically, it can be expressed as:
Velocity = displacement / time
With the above idea in mind, we can obtain the rate of change for the given relationship.
This is illustrated below:
How to determine the rate of change
• Column 1 i.e time (min) = 7, 8, 9, 10.
• Column 2 i.e Water (gallons) = 38.5, 36.25, 34, 31.75.
• Rate of change =?
Rate = Change in gallon / change in time
Rate = (36.25 - 38.5) / (8-7)
Rate = -2.25 / 1
ANSWER: Rate of change = -2.25 gallon/min
