Choose the one alternative that best completes the statement or answers the question.
-A population is increasing according to the exponential function defined by $y = 3 \mathrm { e } ^ { 04 x }$, where $y$ is in millions and $x$ is the number of years. Which of the following should be done in order to answer the question "How large will the population be in 3 months?"
A) Evaluate $y = 3 e ^ { - 04 ( 1 / 4 ) }$.
B) Solve $3 e ^ { \cdot 04 x } = 1 / 4$.
C) Evaluate $y = 3 e ^ { \cdot 04 ( 3 ) }$.
D) Solve $3 \mathrm { e } ^ { \cdot 04 \mathrm { x } } = 3$.

Question

Quizplus · Accepted Answer

To find the population in 3 months, convert months to years (3 months = 1/4 year) and evaluate $y = 3 e^{0.04 \times (1/4)}$.

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