 
Arturo O. answered  12/04/19
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f(x) = 1 if x > 0
f(x) is undefined if x = 0
f(x) = -1 if x < 0
Kenny C.
asked  12/04/19Express f(x)=|x|/ x as a piecewise function
 
Arturo O. answered  12/04/19
Experienced Physics Teacher for Physics Tutoring
f(x) = 1 if x > 0
f(x) is undefined if x = 0
f(x) = -1 if x < 0
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