Find the critical point(s) and classify them as local maxima, local minima, or saddle points. ay) = 2112 - 49331 + 592 - 12y Number of critical points: Enter the critical point(s) as point(s) (a, b). - at m Choose one a local minimum a local maximum Find the critical point(s) and classify them as local maxima, local minima, or saddle points. f(:z:, y) : 500 33:2 4g: + Zacy 8y2 + 78y Number of critical points: Enter the critical point(s) as point(s) (a, 1)). f has at (7'5\") at- Choose one a saddle point a local maximum Find the critical point(s) and classify them as local maxima, local minima, or saddle points. f(:z:, y) = 211:3 3:132y -|- 651:2 63,12 Number of critical points: Enter the critical point(s) as point(s) (a, b). - at (in?) Choose one a local minimum a saddle point Find the critical point (s) and classify them as local maxima, local minima, or saddle points. f(x, y) = 23 + 4y3 -12x2 - 12y + 18 Number of critical points: four Enter the critical point(s) as point(s) (a, b). f has Choose one at ( ? , ? ) f has Choose one at ( ? , ? ) Choose one f has at (? , ? ) a local minimum a saddle point f has at (? , ? ) a local maximumFind the critical point(s) and classify them as local maxima, local minima, or saddle points. f (x, y) = 323 + 3y3 - 9y2 - 9x + 2 Number of critical points: three Enter the critical point (s) as point(s) (a, b). f has Choose one at (? , ? ) f has Choose one at ( ? , ? ) Choose one f has at ( ? , ? ) a local minimum a saddle point a local maximum