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Yanka [14]
3 years ago
6

Find the nonpermissible replacement for y in this expression y-7/y+9

Mathematics
1 answer:
Vesnalui [34]3 years ago
5 0

Answer:

y ≠ - 9

Step-by-step explanation:

the denominator of the expression cannot equal zero as this would make the expression undefined. Equating the denominator to zero and solving gives the value that y cannot be

solve y + 9 = 0 ⇒ y = - 9 ← not permissable


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