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| Math Central | Quandaries & Queries |
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Question from Marsia, a student: Explain how you can shift a parabola up two units (y axis). |
Marsia,
If I have a function y = f(x) and I shift it upwards two units, then I have the function y = f(x) + 2, because y is always 2 units higher than it would be with just f(x).
For example, if f(x) = -3x + 9, then shifting this two units up is just -3x + 11.
Hope this helps,
Stephen La Rocque.
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