Find dy/dx if f(x) = x²+9²​

let y=x²+9²

dy/dx=dx²/dx+d9²/dx

=

=2x is a required answer.

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!