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Let f(x) be a derivable function , f'(x)...

Let f(x) be a derivable function , `f'(x) gt f(x)` and f(0) = 0. Then

A

`f(x) gt 0` for all `x gt 0`

B

`f(x) lt 0` for all `x gt 0`

C

no sign of f(x) can be ascertained

D

f(x) is a constant function

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2019-MULTIPLE CHOICE QUESTIONS
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