4(m + 2) expanded is 4 x m and 4 x 2
simplified: 4m + 8
A(x) = 3x + 1
b(x) = √(x-4)
Therefore

This composition of functions is only defined as a real number when x≥0.
Therefore its domain is x = [1,∞]
Answer: [1,∞]
Answer:
Now, I ain't tryin' to sound mean or standoff-ish but I'm pretty sure Wikipedia could answer this question for you
Approximately there are some of these on the we
Answer:
D/About 18.85
Step-by-step explanation:
So, Using the Circle Circumfrince Formula:

There you go!
Hope this helps!
P.S. Stay Safe!