Given the function, ƒ(x) = |x - 1| - 2, choose the correct transformation.left 1, up 2left 1, down 2right 1, up 2right 1, down 2
Question
Given the function,
choose the correct transformation.
- left 1, up 2
- left 1, down 2
- right 1, up 2
- right 1, down 2
Solution
The correct transformation for the function ƒ(x) = |x - 1| - 2 is right 1, down 2.
Here's why:
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The absolute value function, |x|, is transformed by shifting to the right by 1 unit when we subtract 1 inside the absolute value (i.e., |x - 1|). This is because the graph of |x - 1| is the same as the graph of |x|, but shifted to the right by 1 unit.
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The "- 2" outside the absolute value function indicates a vertical shift downwards by 2 units. This is because subtracting a number outside the function shifts the graph downwards by that amount.
So, combining these two transformations, we get a shift to the right by 1 unit and a shift downwards by 2 units.
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