How do find area of and round to nearest 10 with 11in 16in

Which function has the smallest y-intercept value

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

What’s the domain of this function? fastttt