Question

Find the quadratic function

Answer 1

if i try the first point i get \[\frac{1}{2}=a\cdot 0 +c\]
so \[c=\frac{1}{2}\]

can you find a?

Answer 2

y=4x^2?

Answer 3

A= 4x^2

Answer 4

a =4 you mean, that's correct.
so the total quadratic equation is \[y=4x^2+\frac{1}{2}\]