Use the Appropriate Identity to Find the Indicated Function Value $$\mathrm { I } , \frac { \mathrm { r } } { \mathrm { y } }$$

Multiple Choice

Use the appropriate identity to find the indicated function value. Rationalize the denominator, if applicable. If the given
value is a decimal, round your answer to three decimal places.
- $$\mathrm { I } , \frac { \mathrm { r } } { \mathrm { y } }$$

A) Positive
B) Negative