Given the function:
[tex]h(t)=2+30t-16t^2[/tex]If the ball's height is 15 feet:
[tex]\begin{gathered} h(t)=15 \\ \\ \Rightarrow2+30t-16t^2=15 \end{gathered}[/tex]Solving the quadratic equation for t:
[tex][/tex]Finally, to the nearest hundredth:
[tex][/tex]