A hovercraft takes off from a platform. Its height (in meters), *x* seconds after takeoff, is modeled by

\(h(x)=-(x-11)(x+3)\)

**What is the height of the hovercraft at the time of takeoff?**

MathPeacock
Apr 13, 2018

#2**+3 **

height of hovercraft x seconds after takeoff = h(x) = -(x - 11)(x + 3)

We want to know the height of the hovercraft 0 seconds after takeoff.

height of hovercraft 0 seconds after takeoff = h(0) = -(0 - 11)(0 + 3) = -(-11)(3) = 33

So...

The height of the hovercraft at the time of takeoff is 33 meters.

hectictar
Apr 13, 2018

#2**+3 **

Best Answer

height of hovercraft x seconds after takeoff = h(x) = -(x - 11)(x + 3)

We want to know the height of the hovercraft 0 seconds after takeoff.

height of hovercraft 0 seconds after takeoff = h(0) = -(0 - 11)(0 + 3) = -(-11)(3) = 33

So...

The height of the hovercraft at the time of takeoff is 33 meters.

hectictar
Apr 13, 2018