Card 1 of 22
In x↦x2x\mapsto x^2x↦x2, what happens to the input xxx?
A
Yes - the codomain may be larger than the range.
B
The horizontal line test.
C
The input is squared.
D
A mapping is a function only when every domain element has exactly one output.
Card 1 of 22
1.2.21 Definition of a function (A-level only) Flashcards
22 flashcards on OCR A Level Maths 1.2.21 Definition of a function (A-level only): the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.