The number raised with logarithm with base of that number cancels out.
Thus, the value of
will be given by:
Option C: 7x
<h2>Given that:</h2>
To evaluate the expression: 
<h3>What is natural logarithm?</h3>
Natural logarithm is logarithm with base e. e is not a variable but a special mathematical constant. e = 2.7182818....
When logarithm has base as e, then we write it as ln instead of log. It is called natural logarithm

Thus, let
. Then we will have:

Thus, Option C: 7x is correct value of
.
Learn more about natural logarithm here:
brainly.com/question/305900