Can someone help with this question it’s short and simple but I still don’t get it?

the distance from any point on the parabola to the focus is the exact same as the distance from that point to the directrix.

if you could provide answer choices that might allow me to answer the question easier if my above answer isn't an option! (:

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)