The height of a model rocket, H(t), is a function of the time since it was launched, t.

if this is really you s much. i only have 3 points left and i have 2 questions to ask

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!