MCQOPTIONS
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| 1. |
Let \[f:R\to R\] be given by \[f(x)={{(x+1)}^{2}}-1,x\ge -1.\] Then, \[{{f}^{-1}}(x),\] is |
| A. | \[-1+\sqrt{x+1}\] |
| B. | \[-1-\sqrt{x+1}\] |
| C. | Does not exist because f is not one-one |
| D. | Does not exist because f is not onto |
| Answer» B. \[-1-\sqrt{x+1}\] | |