It's for a test, I have to show some work and answer, I will give brainliest​

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?

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

Asinusoidal function whose frequency is 1/6pi