Recall that:
[tex](f\circ g)(x)=f(g(x)).[/tex]
Therefore:
[tex](h\circ k)(1)=h(k(1)).[/tex]
From the given diagram we get that:
[tex]k(1)=3.[/tex]
Then:
[tex]h(k(1))=h(3).[/tex]
Now, from the given table we get that:
[tex]h(3)=28.[/tex]
Therefore:
[tex](h\circ k)(1)=28.[/tex]
Answer: Option A
