College Algebra / Alg 287 · Atom · ~20 seconds
Vertical Stretches and Compressions
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State
A constant multiple on the output stretches the graph vertically when the constant exceeds 1 and compresses it when the constant sits between 0 and 1.
Show
From x² to 2x², the point (1, 1) climbs to (1, 2): every output doubled, the parabola narrowed.
Watch for
Outputs of zero stay zero under any stretch.
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- Nothing — this is a starting point.
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