Simplify -y^3 - 7 + 4 + 4y^3 + 11x^2 + 2x^2

1 Collect like terms

(−y3+4y3)+(−7+4)+(11x2+2x2)

2 Simplify 3y3−3+13x2 to:

3{y}^{3}-3+13{x}^{2}

 3y^3−3+13x^2

cant open file sorry!

step-by-step explanation:

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!