## Algebra: A Combined Approach (4th Edition)

When $t=2$, $528.1$ feet. When $t=4$, $336.1$ feet.
$-16t^2 + 592.1$ $=-16(2)^2 + 592.1$ $=-16(4)+592.1$ $=-64+592.1$ $=528.1$ feet $-16t^2 + 592.1$ $=-16(4)^2 + 592.1$ $=-16(16)+592.1$ $=-256+592.1$ $=336.1$ feet