SOLUTION: 1. List all numbers for which the rational expression is undefined. 4/b+7

SOLUTION: 1. List all numbers for which the rational expression is undefined. 4/b+7

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Question 302198: 1. List all numbers for which the rational expression is undefined.
4/b+7
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Undefined when
b = -7
because this will make the denominator zero -- anything divided by zero is undefined.
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