If f(x)=0.5x^2-2 and g(x)=8^3+2, find the value

if you use photomath right away it will give you the answer not like this app that you have to wait for people.

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!

i believe the answer is 323 ft

step-by-step explanation: