Given:
There are given that the expression:
Explanation;
First, let's notice that we need positives to numbers inside both roots.
So,
The root of a negative number is a math error.
Then,
With that information, let us analyze the options.
From option A:
If we add 5 to this inequality, we have:
That means the number in the first root is positive.
Now, we want 1-x to be positive:
So, it is positive:
Final answer;
Hence, the correct option is A.