F(x)= x^2. What is g(x)?

Answer:
Hello,
Answer A
Step-by-step explanation:
Vertex of g(x) is (0,0) and the parabola is passing through (2,1)
y=k(x-0)²+0
if x=2 then y=1
1=k*2² ==> k=1/4
g(x)x² /2
Answer A