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3. A function f(x) is defined as follows...

3. A function f(x) is defined as follows `f(x)`= `3+2x` for `-3/2` `<= x <0`; `3-2x` for `0<=x<3/2`; `-3-2x` for `x>=3/2` show that f(x) is continuous at `x=0` and discontinuous at `x=3/2`

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