Copy of 5. Homework . Unanswered Let y = 2 In x - 1/2x then the first derivative is....., the first order condition is..... and the value of x satisfying the FOC is....... Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 2/x -1/2=0 ; x = 4; 2/x-1/2 b 2/x -1/2; 2/x -1/2=0 ; X = 4 C 2/x -1/2; 2/x -1/2=0 ; X = 6 d 2/x-1/2; 2/x -1/2=1 ; x =6 Unanswered Submit