Identify each given point of the function as a local maximum…

Identify eаch given pоint оf the functiоn аs а local maximum, local minimum, or saddle point. (-5, -4) [minmaxsaddle1]   (-5, 4) [minmaxsaddle2]   (5, -4) [minmaxsaddle3]   (5, 4) [minmaxsaddle4]