Answer:
Step-by-step explanation:
this is not a function, why? because the domain "2" has 2 range ( 7 and - 8)
so, NO
the domain(input) of the relation : -10, -9, 2, 10
the range( output) of the relation : -5, 4, 7, -8, 2
and done !, hope you satisfied with my answer :D
