Answer:
The area of the circle is 
Step-by-step explanation:
we know that
The area of a circle subtends a central angle of
radians
so
By proportion find the area of the circle

The minimum is <em>X=1</em> and <em>Y=3</em>, so the minimum is <em>x=3</em>. Use a graphing calculator then Google Search, "<em>How to find the minimum of a graph using a graphing calculator.</em>". The process of this is way to long to explain here, and is best explained visually.
Answer:
infinite set
Step-by-step explanation: