how do i find the function?

A zookeeper recorded the feeding schedule for a baby rhinoceros for 20 weeks. The table and scatterplot show the percentage of the baby rhinoceros's body mass that was used to determine the amount of food given at each feeding as a linear function of its age in weeks. a. Write the function that best models Baby Rhinoceros Feeding Schedule the data? Age (weeks) H N N Percentage of Body Mass 19.5 14 13.5 12.4 11,6 b. What is the best prediction fort the percentage of the baby rhinoceros's body mass that is 25 weeks old? Percentage of Body Mass O 4 6 8 10 12 14 16 18 20 Age (weeks)