Identify the TWO sets of ordered pairs that represent a function
2 answers:
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The value for r = - 0.8535 , there is strong correlation between the variables.
<h3>What is a correlation coefficient ?</h3>Correlation coefficient describes the relationship between the two variables in the data .
The data given is
(1, 7), (2, 5), (3, -1), (4, 3), (5, -5)
Assuming Linear Regression ,
The data is plotted on the graphing calculator
The value for r = - 0.8535
as the value is in the range of - .85 to -1 , therefore there is strong correlation between the variables.
To know more about Correlation Coefficient
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To solve this we are going to use the free distance fallen formula: 
where
is the distance
is the gravity of Earth 
is the time in seconds
We know from our problem that the penny fell off the top of the building and hit the sidewalk below 3.1 seconds later, so
. Lets replace the value in our formula:
meters
We can conclude that the penny fell a distance of 47.098 meters
where
We know from our problem that the penny fell off the top of the building and hit the sidewalk below 3.1 seconds later, so
We can conclude that the penny fell a distance of 47.098 meters