Answer:
81 meters.
Step-by-step explanation:
The height (in meters), h(x) of a hovercraft x seconds after takeoff, is modeled by:
We are to determine its height at the time of takeoff.
Now, at the time of takeoff, x=0.
We substitute x=0 to solve for h.
The height of the hovercraft at takeoff is 81 meters.
Here is a photo of how to solve it
I believe that the answer is B and D
Answer:
Step-by-step explanation:
t - 1 - t^3 - 4t
-t^3 - 3t