Question

What is the range of this set of ordered pairs?
{(5, 2), (-5, 0), (6, 2), (2, 7)}
A. {0, 2, 7}
B. {-5, 0, 2, 5, 6, 7}
C. {-5, 2, 5, 6}

Answer 1

A {0, 2, 7}
The set of all input numbers into a function is called the domain. And the set of all output numbers from a function is called the range.


http://cs.gmu.edu/cne/modules/dau/calculus/domains_ranges/dom1_frm.html