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Let f: XrarrY,f(x)=sinx+cosx+2sqrt(2) be...

Let `f: XrarrY,f(x)=sinx+cosx+2sqrt(2)` be an invertible function. Then which `XrarrY` is not possible? (a) `[pi/4,(5pi)/4]rarr[sqrt(2,)3sqrt(2)]` (b) `[-(3pi)/4,pi/4]rarr[sqrt(2,)3sqrt(2)]` (c) `[-(3pi)/4,(3pi)/4]rarr[sqrt(2,)3sqrt(2)]` (d) none of these

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