Asked by Monica

f(x)=-7/x-9
What number must be excluded from the domain and why?
Answered by Steve
division by zero is undefined.
So, if x-9 is zero, it cannot be used as a divisor.

So, for what x is x-9 = 0?
Answered by Monica
Thank you Steve!
There are no AI answers yet. The ability to request AI answers is coming soon!