Algebra Examples
y=2x-5
Step 1
Set the denominator in 2x-5 equal to 0 to find where the expression is undefined.
x-5=0
Step 2
Add 5 to both sides of the equation.
x=5
Step 3
The domain is all values of x that make the expression defined.
Interval Notation:
(-∞,5)∪(5,∞)
Set-Builder Notation:
{x|x≠5}
Step 4