What is the value of the rational expression 3-x/x-6 when x is equal to 9?

Answer:
[tex]\boxed{\sf \ \ \ answer \ \ B \ \ \ }[/tex]
Step-by-step explanation:
Hello,
x is like a container, it can contain any real number
in that case we need to replace x by 9
so we need to compute the following
[tex]\dfrac{3-x}{x-6} \ for \ x =9\\\dfrac{3-9}{9-6}=\dfrac{-6}{3}=-2[/tex]
so the winner is the answer B
hope this helps