Question 1020512
<i>a) how high does the ball get</i>
What is the largest or biggest h(t) and for what value of t?

 

<i>b) when does it reach that height?</i>
For what value of t is h(t) the largest?

 

<i>c) how high is the ball after 4 seconds?</i>
What is h(4)?

 

<i>d) when will the ball hit the ground?</i>
One of the roots or zeros of h.

 

<i>e) when does the ball reach 100 ft?</i>
Let h(t)=100 and solve for t.