Simplify the given fraction  

Questions

Simplify the given frаctiоn  

Given the relаtiоn {(4, 1), (3,7), (-2, 5), (7, 1)} Whаt is the dоmаin? { [a] }  What is the range?  { [b] } Is this a functiоn? [c] (yes or no)