SOLUTION: Find all numbers for which the rational expression is undefined. 1/(3y+7)
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Question 577993: Find all numbers for which the rational expression is undefined. 1/(3y+7)
Answer by dfrazzetto(283) (Show Source): You can put this solution on YOUR website!
Undefined when the denominator is zero:
3y+7=0
3y=-7
y=-7/3
CHECK:
1/(3y+7) = 1/(3(-7/3)+7) = 1/(-7+7) = 1/0 undefined √
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