Answer: D) The relation R is a function because for each input there is exactly one output
There's not much else to say other than what choice D already does. Visually we can use the vertical line test to confirm if we have a function or not. If we can pass a single vertical line through more than one point on a curve, then the curve isn't a function. The graph is said to have failed the vertical line test. Otherwise, the relation passes the vertical line test and we have a function.
Answer:
The completely factored polynomial is:
⇒
Step-by-step explanation:
Given polynomial:

To factor the given polynomial completely.
Solution:
In order to factor the given polynomial, we will find the greatest common factor of the terms and then factor them out by dividing the term by its G.C.F.
The factors can be listed as:


From the factors listed the GCF can be given as = 
GCF = 
Factoring out the GCF.

The above expression can be simplified by factoring out -1.
(Answer)
Answer:
7/27 or 0.259259259259
Step-by-step explanation:
Answer:
Rational
Step-by-step explanation:
Rational number is kind of like a number that you can understand, i.e 4.567,
7.67.
Irrational number is kind of like a number that you can't really understand, like π, pi. 3.1415926535897...