A.is the answer Hope this helps and sorry it's late
When the graph is constant, you have to look for when it draws a straight line.
Look at the x axis, since it asks for the x value.
Your answer is correct! When x = 0, to x = 3, the function is constant.
Answer:
That is the answer step by step in exponents hope that helped
Answer:

Step-by-step explanation:
The given equation in rectangular coordinates is;

We use the relation;

and

This implies that;


Divide through by r to get;

Divide both sides by 
