Eliminate the Parameter
- $\mathrm { x } = \mathrm { e } ^ { \mathrm { t } } , \mathrm { y } = \mathrm { e } ^ { - \mathrm { t } } ; - \infty < \mathrm { t } < \infty$

question 44

Multiple Choice

Eliminate the Parameter
- $\mathrm { x } = \mathrm { e } ^ { \mathrm { t } } , \mathrm { y } = \mathrm { e } ^ { - \mathrm { t } } ; - \infty < \mathrm { t } < \infty$

• A) \(\mathrm { y } = \mathrm { e } ^ { - \ln x ; } 0 < \mathrm { x } < \infty\)
• B) \(\mathrm { y } = \mathrm { e } ^ { \ln \mathrm { x } ; 0 < \mathrm { x } < \infty }\)
• C) \(\mathrm { y } = \mathrm { e } ^ { \mathrm { x } } ; - \infty < \mathrm { x } < \infty\)
• D) \(\mathrm { y } = \mathrm { e } ^ { - \mathrm { x } } ; - \infty < \mathrm { x } < \infty\) Eliminate the parameter. Write the resulting equation in standard form.

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