Domain & Range - Worksheet 4 - 9th Grade
MediumIdentify the domain and range of functions (Medium)
22 problems · 15-20 minutes · Skills: functions, domain, range
About This Worksheet
This medium-level worksheet contains 22 problems designed for 9th Grade students practicing domain & range. Medium worksheets introduce larger numbers and varied question formats to deepen understanding and build fluency.
Domain and range are fundamental to the precise definition of a function. Every function in calculus and beyond is analyzed in terms of its domain and range. Recognizing restrictions early builds the habit of asking "For what values does this make sense?" — a critical mathematical reflex.
- Identify domain (inputs) and range (outputs) from graphs, tables, and equations
- Express domain and range using set notation and interval notation
- Identify restrictions on domain such as denominators equal to zero or negative radicands
- Determine the range of a function by analyzing its output values from a graph
- State the domain and range of common functions including linear, quadratic, and square root
How to Solve: Worked Example
- Read the problem carefully.
- Identify what is being asked.
- Use what you know to find the answer.
- Check your work.
Answer Key
Frequently Asked Questions
How do I download this domain & range - worksheet 4 worksheet?
Click the "Download PDF / Print" button at the top of the worksheet. You can save it as a PDF or print it directly. The answer key will be on a separate page.
How do I find worksheets at different difficulty levels?
Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.
What skills does this functions & relations worksheet cover?
This worksheet focuses on functions, domain, range. It is designed for 9th Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.
Can I use this worksheet in my classroom?
Yes. All worksheets on K12Worksheets are free for classroom use. You can print copies for your entire class. With 10 worksheets per subtopic at three difficulty levels, you have plenty of options for differentiated instruction and individualized practice.
How many problems are on this worksheet?
This worksheet contains 22 problems. It typically takes 15-20 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.