Solve the Equation $$e ^ { 7 x } = - 9 e ^ { 2 x }$$

question 42

Multiple Choice

Solve the equation. Write the solution set with the exact values given in terms of natural or common
logarithms. Also give approximate solutions to 4 decimal places, if necessary.
- $$e ^ { 7 x } = - 9 e ^ { 2 x }$$

• A) \(\left\{ \frac { \ln 9 } { 5 } \right\} ; x \approx 2.2756\)
• B) \(\left\{ \frac { \ln - 9 } { 5 } \right\} ; x \approx 2.2756\)
• C) \(\left\{ \frac { \ln 9 } { - 5 } \right\} ; x \approx - 2.2756\)
• D) \{ \}

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