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Mathematics 20 Online
OpenStudy (anonymous):

What is the undefined value of 3b^2 + 13b + 4 / b + 4

OpenStudy (anonymous):

b=-4

OpenStudy (anonymous):

Can you explain how you got that please?

OpenStudy (anonymous):

the rational expression (the fraction) is undefined when you divide by 0. the denominator will only be 0 when b=-4

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