Please help

A: (x – 4)2 + (y – 9)2 = 5

B: (x – 9)2 + (y – 4)2 = 5

C: (x + 4)2 + (y + 9)2 = 5

D: (x + 9)2 + (y + 4)2 = 5

Abungee jumper falls from a bridge 400 feet above ground. her height above ground after t seconds is given by the equation where h is the height of the jumper in feet and t is the time in seconds since her jump. approximately how long will it take for the bungee jumper to reach 100 feet above the ground on her initial jump?