Calcula la derivada de las siguientes $tancone9$ Tabla de funciones: $a^{x}=Exp\left(x\right)$ $\sqrt{x} =sqrt\left(x\right)$ $f\left(x\right)=9x^{3}+7x^{2}-7x+2$ $f\left(x\right)=\dfrac {49x^{2}-98x+49} {10x^{2}-6}$ – – $\dfrac {f\left(x\right)=2x+6e^{-3x-2}} {f\left(x\right)=-7x^{2}-6sin}\left(-6x-3\right)$ – – $f\left(x\right)=\dfrac {25x^{2}-60x+36} {-5x^{2}+3}$ $7x-8$ $f\left(x\right)=-9x^{2}+5e$