A set of ordered pairs is called a relation. The set of all first components of the ordered pairs of a relation is the domain of the relation, and the set of all second components of the ordered pairs is the range of the relation. :)
Answer:Oof your stuff looks hard!
Step-by-step explanation:
21/30 as a percent would be 70%.
F(2)=42(2)-100
f(2)= -16
f(2)/-16= -8