Move the slider for a in the applet and answer the following questions based on your observations.
How do we obtain the graph of y = e⁻ˣ +1 from the graph of y = eˣ + 1?
The graph of y = e⁻ˣ +1 is a reflection of the graph of y = eˣ + 1 about the y-axis.
The equation y = e⁻ˣ +1 can be seen as replacing the variable x in the equation y = eˣ + 1 by the variable _____.
What can be said about the y-intercepts of both curves?
What can be said about the horizontal asymptotes of both curves?