2.How are the graphs y=x^2 and y=x^2-3 related?
3.Find the equation of the axis of symmetry for f(x)=x^2+4x-5.
I really need help i have more problems can someone help??

Respuesta :

2. The second graph is simply 3 below the first in all places. 

3. x = -2 (this is where the vertex is)