Question

Need quick help. Picture attatched

Answer 1

Let \(f(x)=\sqrt{9x}\) and \(g(x)=x+7\). Then \((f\circ g)(x)=f(g(x))=f(x+7)=\sqrt{9(x+7)}=3\sqrt{x+7}\).

Answer 2

at the f(g(x)) part im confused, how did you get f(x+7)

Answer 3

@across