Given
f(6)=4 and
g(1)=6
[tex]\begin{gathered} \text{from definition} \\ (f\text{ o g )(1) = f(g(1)}) \\ \text{from the question g(1) =6} \\ \\ \text{f(g(1)}=\text{ f(6)} \\ \text{and from the question} \\ f(6)=4 \\ \text{Therefore, ( f o }g)(1)=4 \end{gathered}[/tex]The answer (f o g)(1) = 4