Question

The height h, in feet, of a projectile t seconds after launch is modeled by the equation h = 32t – 16t2. How long after launch does the projectile return to the ground?

Answer 1

2 seconds

Explanation:

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Answer 2

2 seconds because at 0 seconds it goes 0 ft and 1 second if goes 16 ft and at 2 seconds it goes back to 0