Answer:
Im not a 100% sure but my best guess would be the 3rd equation:
f(x) = (x - 1) (x + 3)
Please let me know if I was wrong, but i hope this helped you!
To me it looks like your right
It could be 623,246 I think hope that I helped you
Answer:
1, 5, 7, and 35. It is composite.
Step-by-step explanation: