Respuesta :

Answer:

where is the picture

Step-by-step explanation:

Answer:

The equation we are given (−at^2 + bt + c) is a parabola and we are told to describe what happens when we change c (the y-intercept).

Step-by-step explanation:

Options I, II, and III are all correct.

So the answer is K, I, II, and III

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