The answer is definitely A. Hope this helps!
Answer:
A
Step-by-step explanation:
For functions with x in the denominator we want to make sure the denominator isn't 0. If x can't be -2 then the answer is A because x = -2 results in f(x) = 1/0 which is undefined.
Answer:
B
Step-by-step explanation:
apply difference of two squares
Answer:
Yes, because according to the Pythagorean theorem a squared + b squared = c squared.
In simpler terms, triangles have to have at least 2 legs = to be congruent to each other.
Hope this helps :)