Question

What are the domain and the range of this function?

•< •≤ •-5 •-4 •1 •7

D: ?, ? | X: ?, ?

R: ?, ? | Y: ?, ?

Answer 1

The domain is the set of x -coordinates, {0,1,2} , and the range is the set of y -coordinates, {7,8,9,10} . Note that the domain elements 1 and 2 are associated with more than one range elements, so this is not a function.

Explanation:

this is an example