Differentiate three functions with radicals and exponentials

[bballj228]

Differentiate the function
g(u) = √2u + √3u

y = (x^2 - 2√x)/(x)

y = (e^x)/(1 + x)

 

[nicksauce]

As always, we won't do your homework for you. How would you approach each of these problems?