Answer:
Only A and C are functions.
Step-by-step explanation:
X-values cannot repeat in the case of functions.
Answer:
6
Step-by-step explanation:
(6n^2-4)+(-2n^2+9)
6n^2-4-2n^2+9
4n^2+5
Hope this helps!
Answer:
there are multiple answers so it has many soultions
Step-by-step explanation: