Answer:
A. farming of coral organisms for trade
Explanation:
Your welcome
It is for support
Gravity provides and attractive force that keeps the chunk of matter in orbit around the sun
Answer
(f-g) (5) = 4
f(x) = x^2-5
g(x) = 4x - 4
Find (f-g) (5)
= (x^2-5) - (4x - 4 )
= (5^2-5) - (4(5) - 4 )
= 20 - 16
= 4