plz help! Are these statements always, sometimes, or never true

12. The graph of f(x) =ax^2 is narrower than the graph of g(x) = dx^2 when d = -a.

13. The graph of f(x) = ax^2 opens in the same direction as the graph of g(x) = dx^2
when d = 101

14. The graph of f(x) = (ax)^2 opens in the same direction as the graph of
g(x)=dx^2 when a^2= d.

15. The graph of f(x) = (ax)^2 is narrower than the graph of g(x) = dx^2 when
0 < a^2 < d.