50 POINTS please help

Let f (x) = x2 +1.
Let g(x) = (x + 2)2 +1.
Which statement describes the graph of g(x) with respect to the graph of f(x)?

It is translated left 2 units.
It is translated right 2 units.
It is compressed vertically by a factor of 2.
It is compressed horizontally by a factor of 2.

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