I am Marking brainliest if you answer correctly

What are the domain and range of the function? f(x) = -4 (sqrt)x

What is the angle measure, or angle of depression, between this bird and the bird watcher?

The center on a target has a diameter of 5 inches. the whole target has a diameter of 25 inches. complete the explanation for what part of the whole target is the center. the center of the target takes up % of the whole target.