Over what interval is the function in this graph constant?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Which function has the domain x> -11?

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?