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Where does f(x)=x+sqrt(1-x),0ltxlt1 decr...

Where does `f(x)=x+sqrt(1-x),0ltxlt1` decrease?

A

`(3/4,infty)`

B

`(0,1)`

C

`(3/4,1)`

D

`(0,3/4)`

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The correct Answer is:
C
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