# algebra

posted by
**curtina blue** on
.

The formula for the height of a fallinis shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall.

h=-4.9f+k

If aq rock is droppped from a building that is 150 meters tall, what is the height of the rock 4 seconds after it was dropped?

F 71.6 meters

G 78.4 meters

H 130.4 meters

j 145.1 meters