A projectile's height $h(t)$ above ground is a quadratic function of time $t$ in seconds since launched. Three values of the function are given in the table below.

How many seconds does it take for the projectile to hit the ground?

Question

A projectile's height $h(t)$ above ground is a quadratic function of time $t$ in seconds since launched. Three values of the function are given in the table below.
  
How many seconds does it take for the projectile to hit the ground?

Quizplus · Accepted Answer

The Answer of A projectile's height $h(t)$ above ground is a quadratic function of time $t$ in seconds since launched. Three values of the function are given in the table below.
  
How many seconds does it take for the projectile to hit the ground?

A Projectile's Height h(t)h(t)h(t) Above Ground Is a Quadratic Function of Time

A Projectile's Height $h(t)$ Above Ground Is a Quadratic Function of Time