I don’t understand this question. Please help

Asap 25 pts + brainlest to right/best answer

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Which expression is equal to (f+g)(x)?