💬 Function Notation: Mixed Practice & Reasoning (F-IF.A.2)

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Use function notation and evaluate functions for inputs in their domains. Read each problem. Draw or write to solve. Label your answer.

1. g(x) = -2x + 7. Find g(-3).

Work

Answer: ______________

2. f(x) = x² + 5x. Find f(3).

Work

Answer: ______________

3. g(x) = 5x − 1. Find g(6).

Work

Answer: ______________

4. f(x) = x² + 2x. Find f(2).

Work

Answer: ______________

5. g(x) = -4x + 5. Find g(-4).

Work

Answer: ______________

6. f(x) = x² − 2x. Find f(5).

Work

Answer: ______________

Answer key: 1) 13 · 2) 24 · 3) 29 · 4) 8 · 5) 21 · 6) 15

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Worksheets › Grade 9 Math (Algebra I) › Function Notation › Function Notation

Grade 9 (ages 14–15)Numbers & mathsFree printable PDF

About this grade 9 worksheet

Free Grade 9 Algebra I math worksheet (Common Core F-IF.A.2): function notation — mixed practice with space to reason and check, with answer key. Skill: Use function notation and evaluate functions for inputs in their domains. Level: Grade 9 — also suits Year 10 (UK).

For teachers: skills & standards

CCSS F-IF.A.2: Use function notation and evaluate functions for inputs in their domains
Works as a morning-work page, a centre/station activity, homework or an early-finisher task.

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It is designed for Grade 9 (ages 14–15), but use it with any child who is ready.

What skills does it build?

Use function notation and evaluate functions for inputs in their domains.

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More “Function Notation” printables (f-if.a.2: use function notation and evaluate functions for inputs in their domains)

Function Notation: Practice A (F-IF.A.2) · Function Notation: Practice B (F-IF.A.2) · Function Notation: Show Your Thinking (F-IF.A.2) · Function Notation: Quick Check (F-IF.A.2)

All 5 function notation sheets → · Grade 9 Math (Algebra I): all 10 skills → · All Common Core grades

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