Plzz Help... easy medal

A food packet is dropped from a helicopter and is modeled by the function f(x) = -12x2 + 19200. The graph below shows the height f(x), in feet, of the food packet at different times x, in seconds:

Question

Plzz Help... easy medal

A food packet is dropped from a helicopter and is modeled by the function f(x) = -12x2 + 19200. The graph below shows the height f(x), in feet, of the food packet at different times x, in seconds:

anonymous · Answer

attachment

anonymous · Answer

Do you know how to figure it out? @welshfella ^

welshfella · Answer

the x - axis represents the ground and it asks for a reasonable domain
based on these observations what do you conclude?

welshfella · Answer

if you were just given the curve without any description of what it represents the domain would be all real values of x

anonymous · Answer

I honestly don't get this one that's why I'm asking for help. And so what your saying is that it would be all reall numbers?

anonymous · Answer

@welshfella