Rational Functions
Part 1
What is a rational function?
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Def. a ratio of two polynomials
f(x)=polynomial function/polynomial function Example: f(x)= (x-3)(x-5)(x-4)/(x-1)(x-2)(x+1) |
Part 2- Zeros and End Behavior
Look at the zeros of the denominator
Look at the zeros of the numerator
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x cannot be 1,2,0,-1
x=3,5,4
* these are also zeros of a the function f(x) |