D Question 8 12 pts This is a free response question, save you work and upload to the Exam 3 student work link for credit. Given the following Function for f (x, y) find any critical points of the first derivative, and label them as a minimum, maximum or saddle point using the second derivative test. f(x, y) = 2x2 + 6y2 + 3xy -4x - 42y At the point ( ) the function has a