Easy
f(g(1))
evaluate g(1) then plug thatin for x in f(x)
g(1)=(x+2)/3
g(1)=(1+2)/3
g(1)=1
f(g(1))=
f(1)=(1)^2+3(1)+6
f(1)=1+3+6
f(1)=10
f(g(1))=10
The answer is 4.23 the second meteorite wieghts 4.23 pounds
5*8=40
40*12=480
480/30=160
Joe needs 160 tiles.
The square root of -3 is 1.73205081