The sister is 4<em>n</em><em> </em>yrs old.
That is because 4 times <em>n</em><em> </em>is 4<em>n</em><em>.</em>
Answer:
The answer for this question is 1
Answer: b is the answer
Step-by-step explanation:
Answer:
6%
Step-by-step explanation:
Answer:
Relation
Explanation:
The definition of a relation is just a set of ordered pairs.
A function is a relation in which each domain element is paired with exactly one range element.
It can't be a function because if it is a vertical line, then the x-value is the same for the whole line.
I hope that helps a bit