Solve the Equation for X $\ln 7 x = 3$ A) $\left\{ \frac { \mathrm { e } ^ { 3 } } { 7 } \right\}$

question 186

Multiple Choice

Solve the equation for x. Give an exact solution.
- $\ln 7 x = 3$

• A) \(\left\{ \frac { \mathrm { e } ^ { 3 } } { 7 } \right\}\)
• B) \(\left\{ \frac { \mathrm { e } ^ { 7 } } { 3 } \right\}\)
• C) \(\left\{ e ^ { 3 / 7 } \right\}\)
• D) \(\{ 21 \}\)

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Definitions:

Expected Rate

The predicted average rate of return or growth, based on historical data or statistical analysis, applicable to investments or economic variables.

Risk-Free Asset

is an investment that is expected to deliver a guaranteed return with no risk of financial loss.

Expected Rate

Anticipated return on an investment, often considering the risk and time value of money.

Standard Deviation

Standard deviation quantifies the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean.