A2 Pure Chapter 2: Functions and Graphs

3 flashcards · Mathematics · by TheoTyson

1. How do you sketch the graph of y=∣ax+b∣y = |ax+b|y=∣ax+b∣ ?

   Sketch the graph of y=ax+by = ax+by=ax+b and reflect the part of the graph that goes below the xxx -axis in the xxx -axis.

2. What is a mapping?

   A mapping transforms one set of numbers into a different set of numbers .

3. When is a mapping a function?

   If every input has a distinct output.