The number of subscribers to a magazine since the magazine changed its format can be modeled by the linear equation y = 504.2x + 29,165.8, where x is the number of months since the format change and y is the number of subscribers. Part I Explain what the number 504.2 represents in this context. Take into account the fact that 504.2 is not a whole number in your explanation. Part II Explain what the number 29,165.8 represents in this context. Take into account the fact that 29,165.8 is not a whole number in your explanation. Part III Fill in the table below with the expected number of subscribers to the magazine for each of the given number of months since the format change. Enter the numbers of subscribers as whole numbers by rounding, when necessary. Number of Months Since Format Change Number of Subscribers 4 5 7 9 11 15 16 19 20 22