Question

H(t) = -16t^2 + 144t
what is the height of the ball after 3 seconds

Answer 1

Here is our equation.


`h=-16t^2+144t`

We want to find what
`h` will be when
`t=3`.
Let's plug in 3 for
`t` and solve.


`h=-16*3^2+144*3`


`h=-16*9+144*3`


`h=-144+432`


`\boxed{h=288}`