Solve the Equation by Expressing Each Side as a Power $$\mathrm { e } ^ { \mathrm { x } + 9 } = \frac { 1 } { \mathrm { e } ^ { 3 } }$$

question 102

Multiple Choice

Solve the equation by expressing each side as a power of the same base and then equating exponents.
- $$\mathrm { e } ^ { \mathrm { x } + 9 } = \frac { 1 } { \mathrm { e } ^ { 3 } }$$

• A) \(\{ - 12 \}\)
• B) \(\{ 12 \}\)
• C) \(\{ 6 \}\)
• D) \(\{ - 6 \}\)

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