A few days ago
How does one graph the function x / |x| (that is, x divided by absolute value x)?
How does one graph the function x / |x| (that is, x divided by absolute value x)?
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A few days ago
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Divide this into two cases: x<0 and x>=0.
When x>=0, what is |x| in terms of x?
When x<0, what is |x| in terms of x? Turn these into two separate equations, with x restricted (more or less than 0). Graph each part of the equation separately. Does that help?
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