Thread: Rocket Launched

A small rocket is launched from a height of 72 feet. The height of therocket in feet,

h, is represented by the equation h(t) = –16t2 + 64t + 72, where t = time, in seconds. Graph this equation.

Use your graph to determine the number of seconds that the rocket will remain at or above 100 feet from the ground.

Originally Posted by magentarita

A small rocket is launched from a height of 72 feet. The height of therocket in feet,

h, is represented by the equation h(t) = –16t2 + 64t + 72, where t = time, in seconds. Graph this equation.

Use your graph to determine the number of seconds that the rocket will remain at or above 100 feet from the ground.

You have to draw 2 graphs:

1. and

2.

The period of time you are looking for is represented by the distance between the 2 intersections of these 2 graphs.

Originally Posted by earboth

You have to draw 2 graphs:

1. and

2.

The period of time you are looking for is represented by the distance between the 2 intersections of these 2 graphs.

Excellent reply!