Estacia wants to learn more about excluded values.
Explain to Estacia why
cannot be in the expression .
What happens when you substitute
for ? does not work here because it makes the expression undefined since dividing by is not possible.
Find the excluded values of
in each of the expressions of problem 3-99.
What values make the denominator equal to
? These are known as excluded values.
Create an expression that has the excluded values of
and . Be prepared to share your expression to the class.
Answers vary. Make sure that these two values make the denominator equal to