On the moon, the acceleration due to gravity is about −5 ft/sec2. An astronaut jumps into the air with an initial upward velocity of 12 ft/sec. Homework Help ✎
How long is the astronaut off the ground?
How far off the ground does the astronaut rise?
What do the zeros of s(t) represent?
Find the y-value of the vertex of s(t). You can use Algebra or Calculus.