A rational expression is undefined when the denominator is zero.

is undefined when x=0 or x=2.
Circumference = square root (Area * 4 * PI)
circumference = square root (
<span>
<span>
<span>
452.3893421169
</span>
</span>
</span>
* 4 * PI )
<span>circumference = square root (
5,684.8921350275)
</span>circumference =
<span>
<span>
<span>
75.3982236862
</span>
</span>
</span>
Answer:
6371. six thousand three hundred and seventy-one
I think it's answer choice a
-1,536, -6,144, -24,576
You multiply by 4 each time