Answer:
M
Step-by-step explanation:
To m
The range of
is the set of all real values
<h3>How to determine the range?</h3>
The function is given as:

The above function is a parent logarithmic function.
The parent logarithmic function have a range of the set of all real values
Hence, the range of
is the set of all real values
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Answer: B. 
Step-by-step explanation:
1. By definition, the associative property of addition is:

2. Therefore, if you have the following expression:

You apply the Asociative property of addition by regrouping the numbers as following:

3. Then, you can conclude that the correct option is B.
AC= √CD^2+AD^2
AC= √AB^2+BC^2
Those two are true
See explanation in photo below
Good luck