21.6 Piecewise Functions: A Different Rule for Each Stretch
Point 1 of 5
21.6.1 Why Split Into Pieces
Core idea
Free parking for the first 30 minutes, then charged by the hour — different stretches follow different rules, so you have to write it in pieces.
Module goal. Understand functions whose domain is split into blocks, with each block described by a different line, and learn to graph them and read values stretch by stretch.
eastmath.com · 21.6 Piecewise Functions: A Different Rule for Each Stretch · 21.6.1 Why Split Into Pieces