Question

(DESMOS) A stone is thrown skyward from the top of a building. The distance in ft between the stone and the ground in t seconds is given by the function d = -16t^2 - 4t + 442. How long after the stone is thrown is it 430 ft from the ground?

Answer 1

But how long after it was thrown does it hit the ground?

Explanation:

I need an answer to the second question

Answer 2

0.75 seconds is your answer :)