Question 45912
I do not know how you get -32t ....
{{{h = -16t^2 – 32t + 112t}}}
{{{180 = -16t^2 + 80t}}}
{{{0 = -4t^2 + 20t - 45}}}
*[invoke quadratic "t",-4,20,-45]
{{{h = -16t^2 + 80t}}}
V(2.5,100)
The highest the arrow will go is 100ft.