Answer:
y = -9 is the non permissible replacement for y in this expression
Step-by-step explanation:
[tex]\frac{y +9}{y+7}[/tex]
if y = -7
You cannot divide by 0. If y = -7, the denominator would be 0.
zero in the denominator is NOT allowed.
y = -9 is the non permissible replacement for y in this expression