Question 4 (there are 4 options to this question) If the point P(x, y) is in the feasible area where 2x+y+1>0 x+m0 x, -2y = 2, what is the range of value m? (-0,4/3] (-0,1/3] 0 (-00,-2/3) (-00,-5/3] Question 5 The optimization problem min x Px+qx+c in is convex if O P is symmetric O qis positive OPis elementwise positive O c is positive O Pis positive semidefinite O diag(P) is positive Question 6 For convex optimization, the global optima is the same as the local optima O True O False