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What is the third step in sketching the graph of a rational function

User Saren
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1 Answer

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9 votes

Answer:

use test numbers to find where the function is a positive and where it is negative. sketch the function's graph, plotting additional points as guides as negative. choose test numbers to t the left and right of each of these places, and find the value of the function at each test number.

User Cdeutsch
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