College Algebra / Alg 281 · Atom · ~20 seconds
Vertical Shifts
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Adding a constant to a function's output shifts its graph vertically: g(x) = f(x) + k moves every point up k, or down for negative k.
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From f(x) = x² to g(x) = x² + 2, the point (1, 1) rides up to (1, 3). Inputs stay put; outputs travel.
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