A boy decides to jump from a high diving board into the middle of a lake. The following expression states his trajectory: f(t)--t2+4+ + 24, where f(t) represents the height in feet and t is seconds.
A. How high was the boy before he dove into the lake?
B. How long did it take the boy to reach his maximum height before falling into the lake?
C. What was the boy's maximum height?

Read the excerpt from gilgamesh: a new english version. gilgamesh backed away. he said,"how dreadful humbaba's face has become! it is changing into a thousand nightmarefaces, more horrible than i can bear. i feel haunted. i am too afraid to go on." §enkidu answered, "why, dear friend, do you speak like a coward? what you just saidis unworthy of you. it grieves my heartwe must not hesitate or retreat."