3. Given the following function: y = f(x) =x³ -x² – 12x + 3 Find the values of x at which this function takes a local maximum and minimum value. Find the value of x where the non-stationary inflection...

Q3

Hi can you please help me to solve Q 3  I wanna check I have done it correctly, thank you.

Please use nth derivative test if necessary

Extracted text: 3. Given the following function: y = f(x) =x³ -x² – 12x + 3 Find the values of x at which this function takes a local maximum and minimum value. Find the value of x where the non-stationary inflection point occurs.