Please see the picture below. The questions has Parts B C and D

Explanation
B.
[tex](g\circ f)(2)=g(f(2))[/tex][tex]g(f(2))=g(5\cdot2)=g(10)=9(10^2)+2=902[/tex]C.
[tex](f\circ f)(1)=f(f(1))[/tex][tex]f(f(1))=f(5\cdot1)=f(5)=5\cdot5=25[/tex]D.
[tex](g\circ g)(0)=g(g(0))[/tex][tex]g(g(0)=g(9(0{}^2)+2)=g(2)=9(2^2)+2=38[/tex]