✏️ Function Notation: Practice A (F-IF.A.2)

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

1. g(x) = 2x + 8. Find g(1).

2. f(x) = x² + 3x. Find f(-3).

3. g(x) = -3x − 5. Find g(0).

4. f(x) = x² + 5x. Find f(0).

5. g(x) = 3x − 5. Find g(2).

6. f(x) = x² + 2x. Find f(-1).

7. g(x) = 3x − 6. Find g(-4).

8. f(x) = x² − 2x. Find f(2).

9. g(x) = -5x + 5. Find g(2).

10. f(x) = x² − x. Find f(6).

11. g(x) = -3x + 4. Find g(-4).

12. f(x) = x² + 5x. Find f(-5).

Answer key: 1) 10 · 2) 0 · 3) -5 · 4) 0 · 5) 1 · 6) -1 · 7) -18 · 8) 0 · 9) -5 · 10) 30 · 11) 16 · 12) 0

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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 — twelve practice problems, 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 B (F-IF.A.2) · Function Notation: Mixed Practice & Reasoning (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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