A cannonball was firedduring the Battle of Muizenberg. The function h(t)=16t2+896th(t)=-16t2+896t represents the height of the cannonball after t seconds after it was fired.

1) After how many seconds did the cannonball take to reach its maximum height?

• 12544 sec
• 28 sec
• 30 sec
• 0.04 sec

2)In problem 1, you determined the time it took for the cannonball to reach its maximum height. Use this information to find the maximum height of the cannonball.

• 12544 feet
• 28 feet
• 12570 feet
• 12527 feet