The correct answer is C
Good luck on the rest :D
Answer:
true
Step-by-step explanation:
Answer:
First 3 are functions . Last one is not a function
Step-by-step explanation:
They are all functions except the last one.
The last one is not a function because it has duplicate x- values in the ordered pairs (1, -1) and (1, -6). There are 2 outputs for one input so its a relation but not a function
The answer is x^4-6x^3+12x^2-28/x^2