The function y=128−8x models the amount of water, in ounces, left in Tariq’s water jug after pouring x servings of water. Which of the following statements properly interprets a key feature of the model?
Before any servings are poured, the jug contains 8 ounces of water.
Each serving consists of 128 ounces of water.
Each serving increases the total water in the jug by 8 ounces.
Before any servings are poured, the jug contains 128 ounces of water.