 
			 
			MCQOPTIONS
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				| 1. | What will be nature of the f(x) = 10 – 9x + 6x2 – x3 for 1 < x < 3? | 
| A. | Decreases | 
| B. | Increases | 
| C. | Cannot be determined for 1 < x < 3 | 
| D. | A constant function | 
| Answer» C. | |