SOLUTION: find all numbers for which the rational expressions is undefined r^3-4r0ver r^2-16 the numbers for which the rational expression is undefined are

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Question 286167: find all numbers for which the rational expressions is undefined r^3-4r0ver r^2-16 the numbers for which the rational expression is undefined are
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
what will make the denominator equal zero?
r^2-16=0
solve for r
don't forget plus and minus for square roots