A rational number is any number that can be express as a ratio integers whose decimal value is finite or at some point repeats with out end. (Any whole number <span> positive or negative- can be expressed as an improper fraction.</span>
Answer:
Step-by-step explanation:
It is a function, since each student gets only one score one final exam,]
Domain is each student,
the first to last
Range is the score each student got:
(however the scoring was made)
f(each student) is a function because each student, or each element of the domain corresponds to the score, one and only one element of the range.
