Which equation represents the graph

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Evaluate the expression. (9 + 5)(3 + 2)0