Help me its due today and its literally 12 am

What is the range of this function? all real numbers such that y ≤ 40 all real numbers such that y ≥ 0 all real numbers such that 0 ≤ y ≤ 40 all real numbers such that 37.75 ≤ y ≤ 40

How far could you drive on 50 gallons of gas

Write an equation for the function that includes the points (2,100)and (3,100)