Aparabola has its vertex at the origin and its focus at (0,5). what function does this graph represent?
1. f(x)= -1/20x^2
2.f(x)= (1/20x)^2
3.f(x)= 20x^2
4.f(x)= 1/20x^2

a) justify

step-by-step explanation:

justifying is just part of everyday life. justify kind of means proof so i think the answer is a) justify.

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7