Which of the following sets represents the range of the function shown? {(–3, 4), (5, 11), (9, –1), (10, 13)}
a: {–3, 5, 9, 10} b: {–1, 4, 11, 13} c: {(4, –3), (11, 5), (–1, 9), (13, 10)} d: {–3, –1, 4, 5, 9, 10, 11, 13}

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem