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let f(x)=2+cosx for all real x Statem...

let `f(x)=2+cosx` for all real `x`
Statement 1: For each real `t`, there exists a point `c` in `[t,t+pi]` such that `f'(c)=0` Because
statement 2: `f(t)=f(t+2pi)` for each real `t`
Then
(a) Statement 1 is correct and Statement 2 is also correct; Statement 2 is the correct explanation of statement 1.
(b) Statement 1 is correct and Statement 2 is also correct; Statement 2 is not the correct explanation of statement 1.

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