So the circumference of a circle is C=2 times pi times the radius. in this case it would be C= 2(pi)(4) which is 25.1 :)
Answer:
A
Step-by-step explanation:
In this function, the domain, or the x value, has no limits. You can substitue any value of x into (x^2-4) and any result is valid.
I hope this helped!
Answer:
Step-by-step explanation:

Answer:
The graph should look almost exactly like this. I used a virtual graphing chart to assist, since it is capable of showing more than paper alone.