What are the excluded values for #y=(2x+5)/(x+5)#?
The only excluded value is
Excluded values occur when the denominator of a fraction equals zero.
In simpler terms, excluded fractions are when
This is because division by zero is not possible, so the value of
To solve for the excluded variable, simply take the denominator, set it equal to
Here's what that looks like:
This is the excluded value for