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Graphing a Rational Expression  Problem 8
Alissa Fong
Alissa Fong
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
Asymptotes have many applications in higher level maths, including calculus in the study of continuity. While you could find the horizontal asymptotes by considering the end behavior of the function, we can also use the rules presented here that are based on the degree of the numerator and denominator. While the graph of a rational function will never cross a vertical asymptote, there are some circumstances in which it might cross a horizontal asymptote.
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Alissa Fong
M.A. in Secondary Mathematics, Stanford University
B.S., Stanford University
Alissa has a quirky sense of humor and a relatable personality that make it easy for students to pay attention and understand the material. She has all the math tips and tricks students are looking for.
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Sample Problems (12)
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Graphing a Rational Expression
Problem 1 4,852 viewsGraph:
f(x) = 1 + 2 x 
Graphing a Rational Expression
Problem 2 4,318 viewsGraph:
f(x) = 1 x + 3 
Graphing a Rational Expression
Problem 3 4,176 viewsGraph:
f(x) = 1 x 
Graphing a Rational Expression
Problem 4 1,385 views 
Graphing a Rational Expression
Problem 5 1,119 views 
Graphing a Rational Expression
Problem 6 1,095 views 
Graphing a Rational Expression
Problem 7 1,206 views 
Graphing a Rational Expression
Problem 8 1,144 views 
Graphing a Rational Expression
Problem 9 1,057 views 
Graphing a Rational Expression
Problem 10 1,062 views 
Graphing a Rational Expression
Problem 11 1,097 views 
Graphing a Rational Expression
Problem 12 1,102 views
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