Question 1
Refer to the above figure.
Which of the following functions is graphed?
Explanation: Below is the graph of 
:
The given graph is the graph of 
reflected in the 
-axis, then translated left 2 units (or, equivalently, right 
units. This graph is
, where 
.
The function graphed is therefore
:
The given graph is the graph of reflected in the -axis, then translated left 2 units (or, equivalently, right units. This graph is
, where .
The function graphed is therefore