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Stretching and Compressing Graphs

Mathematics · Class 12

Multiplying f(x) changes vertical scale; multiplying x inside f changes horizontal scale reciprocally.

Stretching and compressing graphs
rule
worked example
Stretching and compressing graphs: Multiplying f(x) changes vertical scale; multiplying x inside f changes horizontal scale reciprocall
CONCEPT AND RULE: Multiplying f(x) changes vertical scale; multiplying x inside f changes horizontal scale reciprocall
METHOD: For stretching and compressing graphs, identify the given information and required result. Select th
Multiplying f(x) changes vertical scale; multiplying x inside f changes horizontal scale reciprocally.
Worked pattern: y=2x^2 is vertically stretched; y=(2x)^2 is horizontally compressed.

Right triangle — Stretching and Compressing Graphs — original sketch for this lesson (not copied from a textbook).