Which of the following is an even function? f(x) = x1
Of(x) = x2 - 1
Of(x) = -3x
O Rx) = 3/8

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno nina made two errors in the proof. identify and correct the errors.