How do you use y = f(x) + a?

3 years ago

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Kimberly Olson

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2 Answers

Pervaiz S Verified Sherpa Tutor ✓

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Look at the graph of y = f(x).

The graph of y = f(x) + a adds an extra a to the y-value (height above x-axis). IF a is positive, you will shift the original graph up by a units, and if negative, down by a units.

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Dawn M

This transformation would move the whole graph of y = f(x) vertically by a.

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