Give me the total are thank youu

What is the difference between the predicted value and the actual value

Which graph represents the function g(x) = |x + 4| + 2?

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)