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The value of b for which the function f(...

The value of b for which the function `f(x)=x+cos x+b` is strictly decreasing over R is:
a) `b<1` b) `b<=1` c) No value of b exists d) `b>=1`

A

`b lt 1`

B

No value of b exists

C

`b le 1`

D

`bge 1`

Text Solution

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The correct Answer is:
B
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