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Erick Faulkner
3 July, 02:46
What is the excluded value of y^2-y+5/y+4
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Joyce Schmitt
3 July, 03:14
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excluded value is x = - 4
The denominator of the rational expression cannot be zero as this would make the fraction undefined. Equating the denominator to zero and solving gives the value that y cannot be.
solve y + 4 = 0 ⇒ y = - 4 ← excluded value
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Kennedi Singh
3 July, 06:19
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if y+4 = 0 or y=-4 we have division by 0 and therefore
y=-4 is excluded
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