Answer:
okay , attach a file .
Step-by-step explanation:
Answer:
first one: function
second one: not a function
third one: not a function
fourth one: not a function
Step-by-step explanation:
it is never a function if two of the x inputs are the same or if one x input has two y outputs..
<em>Hope this helps!! Pls mark me brainliest!!</em>
Answer:

Step-by-step explanation:
we know that
The total fabric that Mrs. Lin needs is equal to

Convert mixed number to an improper fraction



substitute



Convert to mixed number

The common denominator is 18
Answer is A (-5 , 1)
Coordinate point (-5 , 1) lies in the shaded region
Hope it helps