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f(x) ={{:(0, x=0),(x-3, x gt 0):} The ...

`f(x) ={{:(0, x=0),(x-3, x gt 0):}`
The function f(x) is:

A

increasing when `x ge 0`

B

strictly increasing when `x gt 0`

C

strictly increasing at `x=0`

D

not continuous at `x=0` and so it is not increasing when `x gt 0`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2011-MULTIPLE CHOICE QUESTIONS
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