Does a proportional relationship have a constant rate of change?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Which is f(5) for the function –2x2 + 2x - 3?

Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?