$$\frac{\partial}{\partial x} \left( 4 x + 4, \ f x\right)$$
2
d
---((4 + 4*x, f*x))
2
dx
$$\frac{\partial^{2}}{\partial x^{2}} \left( 4 x + 4, \ f x\right)$$
3
d
---((4 + 4*x, f*x))
3
dx
$$\frac{\partial^{3}}{\partial x^{3}} \left( 4 x + 4, \ f x\right)$$