9:01 Transformations of Graphs (stretches) : ExamSolutions
Clear UK walkthrough of how stretching a graph changes its function, y=af(x) and y=f(ax).
Stretching functions
Understand the effect stretching a curve parallel to one of the axes has on its function form
3 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
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