Answer: B
Step-by-step explanation: I feel like it's b but it is too easy
Answer:
Correct choice is A
Step-by-step explanation:
Note that the denominator
Then rewrite the numerator
as 
Substitute both expression into the initial expression:

Answer:
D
Step-by-step explanation:
note that x = - 3 < - 2, thus
f(x) =
, then
f(- 3) =
= - 