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Which graph represents the function f(x) = x2-25/x+5?

jbouyer  Jan 18, 2018
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f(x)  =  [ x^2  -  25 ] / [ x + 5 ]  =  [ (x + 5) ( x- 5)]  / [ x + 5 ]  =  x - 5

 

This will be the graph of  f(x) =   x - 5  with a  "hole"  at   x  =  - 5

 

So.....the last graph is correct

 

 

cool cool cool

CPhill  Jan 18, 2018

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