Which of the following has all the correct justifications Bruno used to solve this equation?

Which graph shows a function with a range of all real numbers greater than or equal to -1

What is the value of x? enter your answer in the box. (cm)

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤