Consider the tabular values that fit a power function model as shown below:

x	1	2	3	4	5	6	7	8
y	3	4.5	5.8	7	8	9	10	10.5

Need to find the power function

Let the required power function model is of the form

The constants can be determined by using a graphing utility as shown below:

Step1: First plot a scatter plot for the given data points by using the table graph feature of the graphing utility on a window