I really need help with this question

i think that the answer is A.

hope it helped. :D

Step-by-step explanation:

so, converting firstly the mixed fractions to improper fractions and then "adding".

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!