Maximize the Function F(x, Y) = 2x + Y Subject $x ^ { 2 } + y ^ { 2 } = 1$

Short Answer

Maximize the function f(x, y) = 2x + y subject to the constraint $x ^ { 2 } + y ^ { 2 } = 1$ Enter your answer exactly in the form $\left( a \sqrt { \frac { b } { c } } , \sqrt { \frac { d } { e } } \right)$ $\left( - h \sqrt { \frac { i } { j } } , \sqrt { \frac { k } { l } } \right)$