Answer:
It would be B and C
Step-by-step explanation:
When you substitute the numbers on choice B you get something as follows
f(x)=2(-1)+8
f(x)=-2+8
f(x)=6, therefore
(-1,6)
you can also do the same step for C
x=1 y=12
_ <u>3a^8-8r^3</u>
4r^3
Your answer is A.
