Answer:
B
Step-by-step explanation:
I just had the same paper last night
<u>The range</u> is the an interval on the y-axis where the function is defined.
You can see that your function is y-wise going all the way down to negative infinity but then stops and continues the path along 2 on the upper bound.
The inequality describing the interval is thusly B,

Hope this helps :)
Answer:
(
a
−
1
+
b
)(
a
−
1
−
b
)
.
A is the correct answer I just did that one too twins!