Rational Inequalities
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Ex 1/
Replace inequality with zero and solve.
Set each denominator equal to zero and solve.
Place values from steps 1 & 2 on number line and
Test the regions formed. **Denominators always excluded.
“true” = solution set.
Write solution in interval notation.
What does this look like graphically?
𝒙+𝟏𝟐
1. Graph 𝒇(𝒙) =
𝒙+𝟐
2. Graph y = 3
3. Look for values where f(x) is Less than or equal to the horizontal line.
x  12
3
x2