The linear function equation that best fits the data set is y = 2x+1
How to determine the linear function?
From the line of best fit, we have the following points
(x,y) = (0,1) and (1,3)
The equation is then calculated using:
[tex]y =\frac{y_2 -y_1}{x_2 -x_1} * (x -x_1) + y_1[/tex]
This gives
[tex]y =\frac{3 -1}{1 -0} * (x -0) + 1[/tex]
Evaluate the quotient
y = 3 * (x - 0) + 1
Evaluate the product
y = 3x + 1
Hence, the linear function equation that best fits the data set is y = 2x+1
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