Question 221830
How do you graph a piecewise-defined function that has the lines y = 2x+3 and 
y = 3-x?
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Pieces of a piecewise-defined functions are always 
defined over a certain interval of "x".  Your 
y=2x+3 must be defined over some interval; what is it.
Similarly for the piece y = 3-x.
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Cheers,
Stan H.