The following function is given

f(x)=x^2+0.1x6x,3x3

a)What is its derivativef(x)forx>0?

b)What is the derivativef(x)forx<0?

c)Give thex-value where the derivative is not defined

d)List thexcoordinate of all the critical points off(x)in the format (x1,x2,...,xn), for example (1,2,3).