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What would be the hybrid form of |x| and |-x|?

What's the difference between |f (x)| and f (|x|) if it were any graph besides a log (e.g a linear)?


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Best answer

As per this question you asked 30 minutes ago: http://merspi.com.au/50540/modulus-for-logs

Modulus on the outside - easy, just make the negatives positive
Modulus on the inside - draw the RHS, and mirror it on the LHS

In fact, the answer I provided in the link above did not even talk about the log graph at all. It just took you through the logic of the modulus... It applies to all functions you are doing this to.

Hybrid form of |x| is x when x>0 and -x when x<0 (you can put the equal on any one, it doesn't matter)
Hybrid form of |-x| is x when x<0 and -x when x>0 (you can put the equal on any one, it doesn't matter)

You should be able to figure this all out on your own by piecing the logic together. You can't rote learn all of this...


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