Answer:
1st and 3rd are functions, 2nd and 4th are not functions
Step-by-step explanation:
Function : 1 , 3
Not a Function : 2 , 4
Using the vertical line test for the first two, and the last two you are able to tell because each input (x) can only have one output (y).
Brainliest? :) (I'd really appreciate if you mark me as brainliest)
The square root of 144 will be 12
the answer is A.
I personally have no idea how to do this but quizlet might have the answer
Sorry hope this helps though
