What are two main components to using functions (there are three from you to choose from)? What do each do? Why are they important?

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

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?