Answer:
Step-by-step explanation:
<em>Question is incomplete; However, the missing part of the question will most likely be to calculate the charges on each particle.</em>
<em></em>
If that is the case;
We'll get the unit charge when we divide by 7.
This is so because, they all have the same charge.
<em>Hence;</em>
<em>the unit charge is -6 units</em>
ANSWER
d. The set of all real numbers
EXPLANATION
The basic cosine function ,
is continuous everywhere.
The function is defined for all real values of x.
The domain is the set all values of x that will make the function defined.
The domain is all real numbers.
The correct choice is D.