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Mathematics 13 Online
OpenStudy (anonymous):

What is the vertex of y = |x + 1| ? (–1, 0) (0, –1) (0, 1) (1, 0) Can you explain? I don't understand how to find a vertex from the given information.

OpenStudy (jamesj):

What's a vertex? It's more or less a pointy part of the graph. Where is the graph of y = |x+1| pointy?

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