If f(x) = x + 4 and g(x)= x2 - 1, what is (g•f)(x)?
o (gºf)(x)= x2 - 1
(gºf)(x) = x+8x+16
(gºf)(x)= x++8X+15
o (gºf)(x) = x++3

Select the correct answer. given: ∆abc with prove: statement reason 1. given 2. ∠cab ≅ ∠edb ∠acb ≅ ∠deb if two parallel lines are cut by a transversal, the corresponding angles are congruent. 3. ∆abc ~ ∆dbe aa criterion for similarity 4. corresponding sides of similar triangles are proportional. 5. ab = ad + db cb = ce + eb segment addition 6. substitution property of equality 7. division 8. subtraction property of equality what is the missing statement in the proof? scroll down to see the entire proof.