The height of an object thrown into the air can be modeled by the formula $y=-16x^2+70x+95$ , where y is in feet after x seconds.
What is the height of the object after 5 seconds?

The height of an object thrown into the air can be modeled by the formula  $y=-16x^2+70x+95$  
 , where y is in feet after x seconds.
What is the initial height of the object?

A ball is thrown into the air with an upward velocity. Its height, h, after t seconds is given by the function below.
 $h=-16t^2+64t+960$  
How many seconds did it take for the ball to reach its maximum height?

A ball is thrown into the air with an upward velocity. Its height, h, after t seconds is given by the function below.
$h=-16t^2+64t+960$
What is the maximum height reached?

 $h=-16t^2+64t+960$  

A ball is thrown into the air with an upward velocity of 64 ft/s. Its height, h, after t seconds is given by the function above.
When did the ball hit the ground?