A function is a relation that associates each element x of a set X, to a single element y of another set Y.
Circle is not a function of x. For x = 0 we have y = -7 and y = 7.
Just think of each face differently and find the area i cant rly see the shape...
Answer:

Step-by-step explanation:
Since Kiran scored 223 fewer points in a computer game than Tyler, Tyler's score can be represented as:
, where
is Tyler's score and
is Kiran's score.
Since Kiran scored 409 points, we can set
:
.
Re-arranging this, we get:
.