What is the derivative?

Question

Find the derivative of y with respect to x, t, or θ, as appropriate.

y = xe ^x 

A. (e^x/x)-1

B. e^x(x-1)/x²

C. e^x+1

D. e^x

E. e^x(x-1)/x

Answer 1

As you wrote in your comment above, dy/dx = xe^x + e^x. You can factor this one step further such that

dy/dx = (x + 1)e^x

This does not seem to be one of the possible answers that you've listed.