If f(x)=xx6+4x3+7sinh(t) dt\displaystyle {f{{\left({x}\right)}}}={\int_{{\sqrt{{{x}}}}}^{{{x}^{{6}}+{4}{x}^{{3}}+{7}}}}{\sinh{{\left({t}\right)}}}\ {\left.{d}{t}\right.}

then
f(x)=\displaystyle {f}'{\left({x}\right)}=