Posted by **Barby** on Saturday, May 25, 2013 at 11:14pm.

using the 8 steps in Sec 4.3 of your book, analyze the graph of the following function.

R(x)= x^2+x-30/ x^2-x-20

- Geometry -
**MathMate**, Sunday, May 26, 2013 at 9:19am
Without knowing the 8 steps to which you are referring, you can do the following:

Factor both numerator and denominator:

R(x)=(x-5)(x+6)/[(x-5)(x+4)]

You will find the zeroes and asymptotes.

Since there is a common factor (x-5), the point f(5) is indeterminate and should be taken out of the domain.

Check against your eight steps.

If it's not clear, please post which step you need further explanations.

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