Para las siguientes derivadas vamos a aplicar las propiedades de la derivada :
La derivada del producto de dos funciones.
<img src="https://tex.z-dn.net/?f=f%28x%29%3D%28u%29%28v%29%20%5C%5C%20f%27%28x%29%3D%28u%27%29%28v%29%2B%28v%27%29%28u%29" />
También la derivada del cociente
<img src="https://tex.z-dn.net/?f=f%28x%29%3D%20%5Cfrac%7Bu%7D%7Bv%7D%20%20%5C%5C%20f%27%28x%29%3D%20%5Cfrac%7B%28u%27%29%28v%29-%28v%27%29%28u%29%7D%7B%20v%5E%7B2%7D%20%7D%20" />
La derivada de un cociente también podemos derivarla como un producto :
<img src="https://tex.z-dn.net/?f=f%28x%29%3D%20%5Cfrac%7Bu%7D%7Bv%7D%20%3Du%20v%5E%7B-1%7D%20%20%5C%5C%20f%27%28x%29%3D%28u%27%29%28%20v%5E%7B-1%7D%20%29%2B%28%20v%5E%7B-1%7D%20%27%29%28u%29" />
Listo con todo ésto y las derivadas que mencioné en la tarea anterior.
Vamos a resolver.
<img src="https://tex.z-dn.net/?f=a%29f%28x%29%3Dx%20e%5E%7Bx%7D%20%20%5C%5C%20f%27%28x%29%3D%28x%27%29%28%20e%5E%7Bx%7D%20%29%2B%28%20e%5E%7Bx%7D%27%20%29%28x%29%20%5C%5C%20f%27%28x%29%3D%281%29%20e%5E%7Bx%7D%20%2B%28%20e%5E%7Bx%7D%20%29%28x%29%20%5C%5C%20f%27%28x%29%3D%20e%5E%7Bx%7D%20%2Bx%20e%5E%7Bx%7D%20%20%5C%5C%20%20%5C%5C%20b%29f%28x%29%3D%20x%5E%7B2%7D%20ln%28x%29%20%5C%5C%20f%27%28x%29%3D%28%20x%5E%7B2%7D%20%27%29%28ln%28x%29%29%2B%28ln%28x%29%27%29%28%20x%5E%7B2%7D%20%29%20%5C%5C%20f%27%28x%29%3D2x%28ln%28x%29%29%2B%20%5Cfrac%7B1%7D%7Bx%7D%20%20x%5E%7B2%7D%20%20%5C%5C%20f%27%28x%29%3D2xln%28x%29%2Bx%20%5C%5C%20%20%5C%5C%20c%29f%28x%29%3D%20%5Cfrac%7B%20x%5E%7B4%7D%20%7D%7B%20e%5E%7Bx%7D%20%7D%20%20%5C%5C%20f%28x%29%3D%20x%5E%7B4%7D%20%20e%5E%7B-x%7D%20%20%5C%5C%20f%27%28x%29%3D%28%20x%5E%7B4%7D%27%20%29%28%20e%5E%7B-x%7D%20%29%2B%28%20e%5E%7B-x%7D%20%27%29%28%20x%5E%7B4%7D%20%29%20%5C%5C%20f%27%28x%29%3D4%20x%5E%7B3%7D%20%20e%5E%7B-x%7D%20-%20e%5E%7B-x%7D%20%20x%5E%7B4%7D%20%20%5C%5C%20%20%5C%5C%20" />
<img src="https://tex.z-dn.net/?f=d%29f%28x%29%3D%20%5Cfrac%7B%20e%5E%7Bx%7D%20%7D%7Bln%28x%29%7D%20%20%5C%5C%20f%27%28x%29%3D%20%20%5Cfrac%7B%28%20e%5E%7Bx%7D%20%27%29%28ln%28x%29%29-%28ln%28x%29%27%29%28%20e%5E%7Bx%7D%20%29%7D%7B%20%28ln%28x%29%29%5E%7B2%7D%20%7D%20%20%5C%5C%20f%27%28x%29%20%3D%20%5Cfrac%7B%20e%5E%7Bx%7Dln%28x%29-%20%5Cfrac%7B1%7D%7Bx%7D%20e%5E%7Bx%7D%20%20%20%7D%7B%28ln%28x%29%20%20%29%5E%7B2%7D%7D%20%20%5C%5C%20f%27%28x%29%3D%20%5Cfrac%7B%20e%5E%7Bx%7Dln%28x%29-%20%5Cfrac%7B%20e%5E%7Bx%7D%20%7D%7Bx%7D%20%20%7D%7B%28ln%28x%29%29%20%5E%7B2%7D%20%7D%20%20%5C%5C%20%20%5C%5C%20e%29f%28x%29%3D%20%5Cfrac%7Bln%28x%29%7D%7Bx%7D%20%20%5C%5C%20f%28x%29%3D%20ln%28x%29%20x%5E%7B-1%7D%20%20%5C%5C%20f%27%28x%29%3D%28ln%28x%29%27%29%28%20x%5E%7B-1%7D%20%29%2B%28%20x%5E%7B-1%7D%27%20%29%28ln%28x%29%29%20%5C%5C%20f%27%28x%29%3D%20%5Cfrac%7B1%7D%7Bx%7D%20%20x%5E%7B-1%7D%20-1%20x%5E%7B-2%7D%20%28ln%28x%29%29%20%5C%5C%20f%27%28x%29%3D%20%5Cfrac%7B1%7D%7B%20x%5E%7B2%7D%20%7D%20-%20%5Cfrac%7Bln%28x%29%7D%7B%20x%5E%7B2%7D%20%7D%20%3D%20%5Cfrac%7B1-ln%28x%29%7D%7B%20x%5E%7B2%7D%20%7D%20%20%5C%5C%20%20%5C%5C%20" />
<img src="https://tex.z-dn.net/?f=f%29f%28x%29%3D%20x%5E%7B2%7D%20%202%5E%7Bx%7D%20%20%5C%5C%20f%27%28x%29%3D%28%20x%5E%7B2%7D%20%27%29%28%202%5E%7Bx%7D%20%29%2B%28%20x%5E%7B2%7D%20%29%28%202%5E%7Bx%7D%27%20%29%20%5C%5C%20f%27%28x%29%3D2x%28%202%5E%7Bx%7D%20%29%2B%20x%5E%7B2%7D%20%28%202%5E%7Bx%7Dln%282%29%20%29" />
La última derivada no la mencioné es ésta.
<img src="https://tex.z-dn.net/?f=f%28x%29%3D%20a%5E%7Bx%7D%20%20%5C%5C%20f%27%28x%29%3D%20a%5E%7Bx%7D%20ln%28a%29" />
Espero te sirva y si tienes alguna pregunta me avisas.