Question 2 [8 points] The diagram below presents the utility function u(a) for an individual. u(a) u( a) O x z y Three numbers x, y and z are located in the diagram. Suppose z = 1x + (1- t)y. In the diagram above, identify: (i) u(x), (ii) 140)), (iii) u(z), (iv) tu(x) + (1 t) u(y). Determine if this individual is risk averse or not risk averse