Algebra 2 help

Question

Thanks guys,

heres the link:

http://s1039.photobucket.com/user/dani_doll98/media/Image%203_zpsmsjrvddp.jpg.html?sort=3&o=0

Answer 1

Step 1:

David drop a ball from a bridge at an initial height of .

Let denotes the number of meters above the ground the ball is after seconds,

Where is moment David drops the ball.

Here, .

Substitute in the .

(a)

At to find the height of the ball.

The height of the ball to the nearest tenth of a meter at is .

(b)

Find at .

The ball is released after , it hit the ground.

Solution:

(a) At the height of the ball to the nearest tenth of a meter is .

(b) After the ball hit the ground.