Angle PQR is an angle

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955