Arecipe calls for 6 cups water and 4 cups of flour if the recipe is increased how many cups of water should be used with 6 cups of flour

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)