Find the derivative $f^{\text{'}}$ for each function. Simply your answer.

$af(x)=x^{\frac{2}{3}}-x^{\frac{1}{3}}+4$

$bf(x)=(3x-2x^2)(5+4x)$

$cf(x)=e^{x}sinx$

$df(x)=\frac{3-2x-x^2}{x^2-1}$

$ef(x)=xcosx+sinx$

$ff(x)=\frac{2x+5}{\sqrt[\phantom{2}]{x}}$