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The range in which y = - x^(2) + 6x -3 ...

The range in which ` y = - x^(2) + 6x -3` is increasing is

A

`x lt 3`

B

`x gt 3`

C

`7 lt x lt 8`

D

`5 lt x lt 6`

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The correct Answer is:
B
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