To find the height of the elevator when the time is 0 seconds, you can use the given equation y = 25x, where y represents the height in feet and x represents the time in seconds.
Substitute x = 0 into the equation y = 25x:
y = 25(0)
y = 0
Therefore, when the time is 0 seconds, the height of the elevator is 0 feet. This makes sense because at the start (0 seconds), the elevator is at the ground level and hasn't moved yet.