Question: Please do Question 3 and show your work. 3. Let f(x1, 12) = x1| + x2). Graph the level sets of this function f($1, T2)

Please do Question 3 and show your work.

3. Let f(x1, 12) = \\x1| + x2). Graph the level sets of this function f($1, T2) = C for C = 1,4,9. Use this information to determine whether the function is quasiconvex, quasiconcave or neither. Explain your answer. Hint: To graph the level sets break it into four cases of T1, 12 > 0, x1 0, x1 > 0,12 0 and 12

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