If f(x)=x4+7,g(x)=x−7,h(x)=x\displaystyle {f{{\left({x}\right)}}}={x}^{{4}}+{7},{g{{\left({x}\right)}}}={x}-{7},{h}{\left({x}\right)}=\sqrt{{{x}}}, then
f∘g(x)\displaystyle {f}\circ{g{{\left({x}\right)}}}=  
g∘f(x)\displaystyle {g}\circ{f{{\left({x}\right)}}}=  
h∘g(x)\displaystyle {h}\circ{g{{\left({x}\right)}}}=  

License