189,521 views
18 votes
18 votes
A hovercraft takes off from a platform it’s height (in meters), x seconds after takeoff, is modeled by

H(x)= -3(x-3)^2+108
What is the height of the hovercraft at the time of takeoff?
PLS I NEED THIS ASAP

User Cristiane
by
3.1k points

1 Answer

19 votes
19 votes

9514 1404 393

Answer:

81 m

Explanation:

Since x is seconds after takeoff, the value of x at takeoff is 0. You are being asked to find H(0).

H(0) = -3(0 -3)^2 +108 = -3(9) +108 = 81

The height of the hovercraft at the time of takeoff is 81 meters.

A hovercraft takes off from a platform it’s height (in meters), x seconds after takeoff-example-1
User Mike Coleman
by
2.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.