Is this a relation a function? Justify your answer.{(−1,3)(1,0)(2,3)(4,6)} Get tutor helpDetermine if the following is a function, and if it is a one-to-one function.{(5,1),(4,7),(3,3),(1,8),(5,9)}Not a functionA function, not one-to-oneA one-to-one function Get tutor helpLook at this set of ordered pairs: (3,18)(15,9)(13,14)(18,12) Is this relation a function? Choices:[[yes][no]] Get tutor help