Free November promotion: everything is free until 30 November 2026 — every subject, unlimited practice.
Subjects / JC Mathematics / Algebra and Functions

Functions

Understand a function as a rule linking inputs to outputs and use function notation f(x).

In review 2nd Year3rd Year HigherOrdinary
Helps to know first: Algebraic expressions
26practice questions

Fill the gaps: 1 · Match the pairs: 1 · Multiple choice: 11 · Select all that apply: 2 · Numeric answer: 11

Each question has up to three hints, a worked explanation, and is tracked in your progress and review plan.

Practise this topic

Try a question

Numeric answer
A plane flies at a constant speed so that t = d/800, where t is time in hours and d is distance in km. How long does it take to fly 2,000 km?
Whole numbers, decimals (2.5) or fractions (3/4).
Hint 1

Substitute d = 2,000.

Create a free account to save your progress.