Give the Answer in Exact Form $$4 \mathrm { e } ^ { 2 \mathrm { x } } + 9 \mathrm { e } ^ { \mathrm { x } } = 9$$

question 13

Multiple Choice

Give the answer in exact form.
- $$4 \mathrm { e } ^ { 2 \mathrm { x } } + 9 \mathrm { e } ^ { \mathrm { x } } = 9$$

• A) \(\left\{ \mathrm { e } ^ { 3 / 4 } , \mathrm { e } ^ { - 3 } \right\}\)
• B) \(\left\{ \ln \frac { 4 } { 3 } \right\}\)
• C) \(\left\{ \ln \frac { 3 } { 4 } \right\}\)
• D) \(\left\{ \ln \frac { 3 } { 4 } , \ln ( - 3 ) \right\}\)

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