The carter family just left the local pet store with rex, their new family dog. the pet store owner told the carter family that for the next 6 months, rex would grow at an average rate of 9 pounds per month. currently, rex is 2 months old and weighs 6 pounds.

age, in months 2 3 4 5 6 7 8
weight, in pounds 6
part a: complete the given table that represents rex’s current weight, in pounds, as a function of his age, in months

part b: graph the data in the table from part a. be sure to label the graph and all data points.
part c: create a linear model that represents the rex’s current weight, in pounds, as a function of his age, in months.

part d: if rex continues to grow at the rate of 9 pounds per month beyond the expected six months, how much will rex weight by the time he is one year old?