The function f(x)=|2 sgn 2x|+2 has

1.	The function f(x)=\|2 sgn 2x\|+2 has
A.	jump discontinuity
B.	removal discontinuity
C.	infinite discontinuity
D.	no discontinuity at x=0
Answer» B. removal discontinuity

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The function f(x)=|2 sgn 2x|+2 has

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