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Graphing a Rational Expression  Problem 12
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
If we know key features about a graph, we can write a possible rational function for the graph. The xvalue of a hole is represented by a factor that is the same on top and bottom, vertical asymptotes represent factors of the denominator that are not in the numerator, and the horizontal asymptote will tell us information about the degrees of the numerator and denominator. We can also try to use transformation rules backward to adjust the function f(x) = 1/x to fit a given graph.
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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.
Your tutorials are good and you have a personality as well. I hope you have more advanced college level stuff, because I like the way you teach.”
Thanks alot for such great lectures... I never found learning this easier ever before... keep up the great work.... :)”
You seem so kind, it's awesome. Easier to learn from people who seem to be rooting for ya!' thanks”
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Sample Problems (12)
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Graphing a Rational Expression
Problem 1 4,413 viewsGraph:
f(x) = 1 + 2 x 
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Problem 2 3,908 viewsGraph:
f(x) = 1 x + 3 
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Problem 3 3,723 viewsGraph:
f(x) = 1 x 
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Problem 4 1,019 views 
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Problem 5 790 views 
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Problem 6 784 views 
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Problem 7 951 views 
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Problem 8 828 views 
Graphing a Rational Expression
Problem 9 765 views 
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Problem 10 778 views 
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Problem 11 807 views 
Graphing a Rational Expression
Problem 12 763 views
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