Finite Math Examples Equations and Inequalities

Find the Domain and Range

Step 1
Set the denominator in equal to to find where the expression is undefined.
Step 2
Add to both sides of the equation.
Step 3
The domain is all values of that make the expression defined.
Interval Notation:
Set-Builder Notation:
Step 4
The range is the set of all valid values. Use the graph to find the range.
Interval Notation:
Set-Builder Notation:
Step 5
Determine the domain and range.
Domain:
Range:
Step 6
Enter YOUR Problem

Equations and Inequalities

More step-by-step Finite Math examples from this chapter.

Solving for a Variable Converting from Interval to Inequality Solve by Completing the Square Finding the Domain Finding the Range Finding the Asymptotes Solving by Factoring Solving Rational Equations Quadratic Formula Quadratic Inequalities Rational Inequalities Finding the Discriminant

How to Use Step-by-Step Examples

1
Read the worked problem
Each example starts from a real Finite Math problem and shows the rule or formula it relies on.
2
Follow every step
Work through the solution line by line. Underlined terms open a glossary definition.
3
Solve your own problem
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