# Express the function H in the form f*g. H(x)=sqrt(7+sqrt(x))

Lance Liu 2022-10-15 Answered
Express the function H in the forn $f\cdot g$.
$H\left(x\right)=\sqrt{7+\sqrt{x}}$
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amilazamiyn
Given that the function H in the form f*g, where
$H\left(x\right)=\sqrt{7+\sqrt{x}}$
Here, $H=f\cdot g\phantom{\rule{0ex}{0ex}}H\left(x\right)=\left(f\cdot g\right)\left(x\right)$
We know that $\left(f\cdot g\right)\left(x\right)=f\left(g\left(x\right)\right)$. That is first we put the value of g(x) then f(g(x)).