Help me please 6/7/8/9/10

Given the graph below state whether or not the relation is a function, and give the domain and range.

Jorge planted flowers in his garden he planted one row of 12 tulips and one row of 36 daisies george's friend kylie has a garden with 75 flowers in it kylie's garden only contains tulips and daisies. is it possible for kylie‘s garden she have the same ratio of tulips to daisies as george's garden?

Write the rational number in lowest terms 99/-15