I need help withe equation

I need help withe equation

1.Differentiate. (Assume c is a constant.)

z = w3/2(w + cew)

2. Find 
f ‘(
x) and 
f ”(
x).

f(x) = x5ex

3. Find equations of the tangent line and normal line to the given curve at the specified point.

y = 5xex,(0, 0)