Topic 2: Functions & Graphs Flashcards
1
Q
What is a modulus?
A
non-negative numerical value
2
Q
How to sketch the graph of y = | ax+b |
A
sketch y=ax+b then reflect the section of the graph below the x axis in the x axis
3
Q
What is a one-to-one function?
A
Every value of x gets mapped to one value of y
4
Q
What is a many-to-one function?
A
Multiple x values (eg -x and x) get mapped to the same value of y
5
Q
Is one-to-many mapping a function?
A
No
6
Q
What is the domain?
A
The set of all possible inputs for a mapping
7
Q
What is the range?
A
The set of all possible outputs for the mapping
8
Q
What is a composite function?
A
When two or more functions can be combined to make a new function
