Problem 3.46 Of all values of x x1; x2; . . . ; xn that satisfy

Problem 3.46 Of all values of x ¼ ðx1; x2; . . . ; xnÞ that satisfy f ðxÞ ¼ c;

find the value that optimizes (i.e., minimizes or maximizes)

kx  akp;
where c is a constant, and a is a point, perhaps 0, and p is typically 1, 2, or y.