Answer:

Step-by-step explanation:
x^2 + 1 = 4
x^2 = 3

Answer:
Sorry, I only know the answer to B.
Step-by-step explanation:
The answer is 0=0, 2=5, 4=10, 6= 15. Sorry if I am late. But I hope this helps, and Have an amazing day!!
Here u go. It says my answer has to be at least 20 words long so I'm just typing for no reason. Lol.