For the expression 1/(x – -4), which value of x is not allowed?
Note
A denominator cannot be zero. Set x - -4 = 0, which gives x = -4. That value is excluded because it would make the expression undefined.
For the expression 1/(x – -4), which value of x is not allowed?
A denominator cannot be zero. Set x - -4 = 0, which gives x = -4. That value is excluded because it would make the expression undefined.