At about the 4:52 mark, the teacher says the graph never goes to 0; the graph does go to 0 at one point, though. So, instead of writing R=(0,â), the teacher should have written R=[0,â) because 0 is included in the range.
Graphing an absolute value equation with horizontal shift
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Questions answered by this video:
How do I graph h(x)=|x+4|?
What are the domain and range of h(x)=|x+4|?
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In this lesson, the teacher shows how to graph an absolute value function that only shifts horizontally.