while exploring a volcano, Zane heard some rumbling, so he decided to climb up out of there as quickly as he could.
Zane's elevation relative to the edge of the inside of the volcano (in meters) as a function of time (in seconds) is graphed.

while exploring a volcano Zane heard some rumbling so he decided to climb up out of there as quickly as he could Zanes elevation relative to the edge of the ins class=