91¶¶Òõ

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91¶¶Òõ

Last updated

10 August 2026

pdf, 175.76 KB
pdf, 175.76 KB

Master one-to-one functions and injective functions with this rigorous, ready-to-print pure maths worksheet! Perfect for A-Level Maths, KS5, and IB Mathematics students, this resource includes fully worked step-by-step solutions to save you valuable marking time.

Help your secondary and college maths students achieve conceptual mastery over functional mappings with this no-prep One-to-One (Injective) Functions Worksheet! This resource is specifically engineered to bridge the gap between abstract algebraic proofs and visual graph analysis, providing a comprehensive review of function behavior.
With 12 multi-step, rigorous problems, this printable activity targets the exact depth required for upper-level secondary maths, sixth-form colleges, and introductory higher education courses. Students will practice proving injectivity algebraically before transitioning to visual coordinate grids to apply the horizontal line test across a wide variety of functions.

What’s Included in This Resource?
• Algebraic Proof Section: Questions requiring formal algebraic manipulation to verify if f(x1) = f(x2) implies x1 = x2 (including linear, cubic fractions, and radical bounds).
• Visual Graph Analysis: Multiple coordinate grids featuring a rich variety of functions—such as absolute value, reciprocal fractions, cosines, cubics, and exponentials—where students must apply the Horizontal Line 91¶¶Òõt.
• Fully Worked Solutions: Step-by-step mathematical answers for every single problem to make marking or student self-checking effortless.

Core Skills Covered:
• Proving if a function is injective (one-to-one) using algebraic definitions.
• Applying the Horizontal Line 91¶¶Òõt to determine map uniqueness visually.
• Recognizing how domain restrictions impact whether a function is one-to-one.
• Factoring challenging equations (such as sum/difference of cubes formulas) to determine real solution states.
• Evaluating trigonometric, exponential, radical, and rational parent functions.

Perfect For:
• AS & A-Level Mathematics (Pure Maths specifications)
• Key Stage 5 (KS5) / Sixth Form College
• GCSE Further / Additional Mathematics Extension
• International Baccalaureate (IB) Maths Higher Level (HL)
• Rigorous Homework, Exam Revision, Extension Work, or Cover Plans

Exam Board Alignment:
• Excellent preparation for Edexcel, AQA, OCR, and Cambridge International (CIE) specifications covering functions, domains, ranges, and injective mappings.

Get this resource as part of a bundle and save up to 65%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

Functions Worksheet Bundle: Domain, Range, One-to-One & Inverses

A collection of three worksheets on the following topics: * Domain and Range of a Function:The exercises include polynomial functions, rational functions and functions with square roots. * Injective Functions: The exercises require to decide whether a function is injective or not given its equation or its graph. * Inverse Functions: The exercises require to decide whether a given function is invertible, find the inverse function and the domain of the inverse function. Detailed solutions are included. Simplify your advanced functions unit with this comprehensive, no-prep 3-worksheet bundle! Perfect for KS5, A-Level Maths, and Further Maths lessons, this print-and-go pack covers domain and range, injective functions, and finding inverse functions with full worked solutions included. ________________________________________ Looking for a rigorous, ready-to-print resource to help your sixth form students truly master functions? This complete 3-worksheet bundle takes students beyond basic equations to build deep conceptual fluency. From analyzing restricted domains to algebraically proving inverse relationships, this toolkit gives your A-Level Mathematics, Further Maths, or Advanced Extension Award classes the exact practice they need to tackle complex algebraic concepts with confidence. **What’s Included in This Bundle:** • Worksheet 1: Domain and Range – Features 18 rigorous problems covering linear, rational, radical, absolute value, and quadratic functions, alongside finding the range using interval notation. • Worksheet 2: Injective (One-to-One) Functions – Teaches students how to formally prove if a function is injective algebraically and visually using graphs and the horizontal line test. • Worksheet 3: Finding Inverse Functions – Guides students through verifying invertibility and finding inverses for advanced linear, quadratic, radical, rational, and piecewise functions. • Full Worked Solutions – Step-by-step, fully written mathematical solutions for every single problem to make marking effortless or facilitate student self-assessment! **Perfect For:** • Year 12 and Year 13 A-Level Mathematics (Pure Maths modules) • Further Maths & Advanced Extension Award (AEA) preparation • Independent Practice, Homework Tasks, or Cover Work • End-of-Unit Revision & Maths Intervention Groups **Curriculum Alignment:** Fully aligned with the UK National Curriculum for Advanced Level Mathematics and suitable for all major exam boards, including AQA, Edexcel, and OCR: • Algebra and Functions: Understand and use the definition of a function, including domain, range, one-to-one (injective) functions, and the restriction of domain to create invertible functions. • Inverse Functions: Find the inverse of a function, illustrate its graphical relationship to the original function, and understand the structural conditions for its existence. ________________________________________

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