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

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

so the winner is the answer B

hope this helps

i think its a and d

step-by-step explanation:

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)