How Do You See N(x)/D(x)?

[nycmathguy]

Section 2.6
Question 78

I say part (a) is false. I don't see anything on the graph of f(x) that indicates that D(1) = 0.

You say?

I say part (c) makes part (b) a true statement.
Why do I say this? The dotted line at x = 1 is my reason for the statement.

You say?

 

[MathLover1]

correct

 

[nycmathguy]

correct

Great. Thanks.