According to the table given, the rate of change is of 9.
The rate of change is given by the change in the output divided by the change in the input.
In this problem:
Taking two of the points, (3,27) and (5,45), we have that:
[tex]m = \frac{45 - 27}{5 - 3} = \frac{18}{2} = 9[/tex]
Hence, the rate of change is of 9, which would be verified taking any pair of two points.
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