CK-12-Pre-Calculus Concepts

(Marvins-Underground-K-12) #1

2.7. Holes in Rational Functions http://www.ck12.org



  1. If you see a hollow circle on a graph, what does that mean?
    Without graphing, identify the location of the holes of the following functions.
    4.f(x) =x^2 +x−^3 x 1 −^4


5.g(x) =x^2 +x^8 +x 3 +^15


6.h(x) =x^3 +x^62 x+^2 x+−^22 x−^8


7.k(x) =x^3 +x (^26) −x^23 +x+^2 x 2 −^8
8.j(x) =x^3 +^4 xx^22 −−^179 x−^60
9.f(x) =x^3 +x^42 x−^2 − 517 x+x 4 −^60
10.g(x) =x^3 −x^42 x−^2 − 8 x^19 +x 7 −^14



  1. What is a possible equation for the following rational function?

  2. What is a possible equation for the following rational function?

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