Answer:
See attachment.
Explanation:
The given function is 
This function is of the form
where 0<b<1
This is an exponential decay function.
To see it clearly, we rewrite this function to get:

This graph will be asymptotic to the x-axis as x-values approaches positive infinity.
The y-intercept is at (0,1).
The graph is shown in the attachment
Yes, in this way we become more open minded and take in validated ideas of others.
A. Repetition would make the most sense since to draw attention she should clarify it or reiterate it multiple times.