Answer: c
hope this helps!
Refer the attachment for your answer :)
Answer:
Step-by-step explanation:
<u>Functions have graphs or slopes.</u>
<u>This is not a function.</u>
<u>This is not on a graph or on a slope.</u>
Your answer is not a function.
The answer is true. We know this because 9^2 - 6^2 is 45.