An elephant calf is born weighing 282 pounds and gains about 2.5 pounds each day for its first year of life. After one year, the calf weighs approximately 1,195 pounds. The graph represents the line of best fit for the data. Which of the following interpretations of the slope is accurate?

The slope of the line of best fit represents the rate of weight gain per day for the elephant calf. In this case, the slope is approximately 2.5 pounds per day, which means that the calf gained an average of 2.5 pounds each day during its first year of life.