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f(x)=2a-x in -altxlta=3x-2a in a lex. ...

`f(x)=2a-x` in `-altxlta=3x-2a` in `a lex`. Then which of the following is true ?

A

f( x) is not differentiable at x= a

B

f(x ) is continous at x=a

C

f(x ) is continuous for all `x le a`

D

f(x ) is differentiable for all x `le` a

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The correct Answer is:
D
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