The third table shown in the diagram below can be modelled with the equation, y = x + 2, therefore, it represents a linear equation (see attachment).
What is a Linear Function?
A linear function is a function whose graph represents a straight line when the points are plotted, and also can be modelled by the equation, y = mx + b.
b is the value of y when x = 0 (y-intercept)
m is the slope or unit rate.
Thus, the third table shown in the diagram below can be modelled with the equation, y = x + 2, therefore, it represents a linear equation (see attachment).
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