The first four terms of a sequence are shown below. –11, –13, –15, –17, ...

Which function represents this sequence?

A.
an = –2n – 11

B.
an = –2n – 9

C.
an = 2n – 9

D.
an = 2n – 11

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