Find the absolute maximum value of f(x,y)=e^(2x-y) subject to the constraint 4x^(2)+9y^(2)=4.
(a) e^((16)/(3sqrt(10)))
(b) e^(-(16)/(3sqrt(10)))
(c) e^((8)/(sqrt(10)))
(d) e^((20)/(3sqrt(10)))
(e) e^((4)/(sqrt(10)))
13.Find the absolute maximum value of fx,y=e2r- subject to the constraint 4x+9y=4 (a)e16/(3/10) (b)e-16/(3/10 (c)e8/v10 (d)e20/(3v/10) (e)e4/v10