5 homework questions below...

(a). Find the derivative. w= 5z/1+2z

dw/dz=?

(b). Find the equation of the tangent line to the graph of f(x)= 12xe^x at the point at which x=0

y=?

(c). Find the derivative. q(x)= x/3+4x

(d). Find the derivative of the function. f(z)= z²+16/sqrt of z

(e). Find the derivative of the function. f(x)= x⁸/192 times (8 lnx - 1)