Solve the Equation $$3 \mathrm { e } ^ { 2 \mathrm { x } } + 7 \mathrm { e } ^ { \mathrm { x } } = 20$$

question 457

Multiple Choice

Solve the equation. Give the answer in exact form.
- $$3 \mathrm { e } ^ { 2 \mathrm { x } } + 7 \mathrm { e } ^ { \mathrm { x } } = 20$$

• A) \(\left\{ \ln \frac { 3 } { 5 } \right\}\)
• B) \(\left\{ \ln \frac { 5 } { 3 } \right\}\)
• C) \(\left\{ \mathrm { e } ^ { 5 / 3 } , \mathrm { e } ^ { - 4 } \right\}\)
• D) \(\left\{ \ln \frac { 5 } { 3 } , \ln ( - 4 ) \right\}\)

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Electric Signals

are impulses of charged particles, such as ions, used by neurons and other cells to communicate and perform physiological functions.

Cell Body

The part of a neuron that contains the nucleus and most of the cytoplasm and organelles, serving as the metabolic center.

Neuron Cell Bodies

The part of a neuron that contains the cell nucleus and is responsible for maintaining the life of the cell and initiating neural signals.

Central Nervous System

Comprised of the brain and spinal cord, it serves as the main control center for the body, processing information and directing bodily responses.