Function Notation - Worksheet 2 - 9th Grade
EasyEvaluate a function at a given input, showing substitution before calculation.
easy: Substitute positive inputs into linear functions.
20 problems · 15-20 minutes · Skills: functions, notation, evaluation
About This Worksheet
This easy-level worksheet contains 20 problems designed for 9th Grade students practicing function notation. Easy worksheets use simpler numbers and straightforward problem types to build confidence and reinforce foundational skills.
Evaluate expressions and work with signed numbers.
- Evaluate a function at a given input, showing substitution before calculation.
- Parenthesize a negative input before squaring it.
How to Solve: Worked Example
- Replace x with −2: 2(−2)² − 3.
- Square the input: (−2)² = 4.
- Multiply and subtract: 2 × 4 − 3 = 5.
Answer Key
Frequently Asked Questions
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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, notation, evaluation. 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?
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How many problems are on this worksheet?
This worksheet contains 20 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.